/*
- * NVIDIA NVENC Support
- * Copyright (C) 2015 Luca Barbato
+ * H.264 hardware encoding using nvidia nvenc
+ * Copyright (c) 2014 Timo Rothenpieler <timo@rothenpieler.org>
*
- * This file is part of Libav.
+ * This file is part of FFmpeg.
*
- * Libav is free software; you can redistribute it and/or
+ * FFmpeg is free software; you can redistribute it and/or
* modify it under the terms of the GNU Lesser General Public
* License as published by the Free Software Foundation; either
* version 2.1 of the License, or (at your option) any later version.
*
- * Libav is distributed in the hope that it will be useful,
+ * FFmpeg is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
* Lesser General Public License for more details.
*
* You should have received a copy of the GNU Lesser General Public
- * License along with Libav; if not, write to the Free Software
+ * License along with FFmpeg; if not, write to the Free Software
* Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA
*/
-#include "config.h"
-
-#include <cuda.h>
-#include <nvEncodeAPI.h>
-#include <string.h>
-
-#define CUDA_LIBNAME "libcuda.so"
-
-#if HAVE_DLFCN_H
-#include <dlfcn.h>
-
-#define NVENC_LIBNAME "libnvidia-encode.so"
-
-#elif HAVE_WINDOWS_H
+#if defined(_WIN32)
#include <windows.h>
-
-#if ARCH_X86_64
-#define NVENC_LIBNAME "nvEncodeAPI64.dll"
#else
-#define NVENC_LIBNAME "nvEncodeAPI.dll"
+#include <dlfcn.h>
#endif
-#define dlopen(filename, flags) LoadLibrary((filename))
-#define dlsym(handle, symbol) GetProcAddress(handle, symbol)
-#define dlclose(handle) FreeLibrary(handle)
-#endif
+#include <nvEncodeAPI.h>
-#include "libavutil/common.h"
+#include "libavutil/internal.h"
#include "libavutil/imgutils.h"
+#include "libavutil/avassert.h"
+#include "libavutil/opt.h"
#include "libavutil/mem.h"
#include "avcodec.h"
#include "internal.h"
-#include "nvenc.h"
-
-#define NVENC_CAP 0x30
-#define BITSTREAM_BUFFER_SIZE 1024 * 1024
-
-#define LOAD_LIBRARY(l, path) \
- do { \
- if (!((l) = dlopen(path, RTLD_LAZY))) { \
- av_log(avctx, AV_LOG_ERROR, \
- "Cannot load %s\n", \
- path); \
- return AVERROR_UNKNOWN; \
- } \
- } while (0)
-
-#define LOAD_SYMBOL(fun, lib, symbol) \
- do { \
- if (!((fun) = dlsym(lib, symbol))) { \
- av_log(avctx, AV_LOG_ERROR, \
- "Cannot load %s\n", \
- symbol); \
- return AVERROR_UNKNOWN; \
- } \
- } while (0)
-
-static av_cold int nvenc_load_libraries(AVCodecContext *avctx)
-{
- NVENCContext *ctx = avctx->priv_data;
- NVENCLibraryContext *nvel = &ctx->nvel;
- PNVENCODEAPICREATEINSTANCE nvenc_create_instance;
+#include "thread.h"
- LOAD_LIBRARY(nvel->cuda, CUDA_LIBNAME);
+#if defined(_WIN32)
+#define CUDAAPI __stdcall
+#else
+#define CUDAAPI
+#endif
- LOAD_SYMBOL(nvel->cu_init, nvel->cuda, "cuInit");
- LOAD_SYMBOL(nvel->cu_device_get_count, nvel->cuda, "cuDeviceGetCount");
- LOAD_SYMBOL(nvel->cu_device_get, nvel->cuda, "cuDeviceGet");
- LOAD_SYMBOL(nvel->cu_device_get_name, nvel->cuda, "cuDeviceGetName");
- LOAD_SYMBOL(nvel->cu_device_compute_capability, nvel->cuda,
- "cuDeviceComputeCapability");
- LOAD_SYMBOL(nvel->cu_ctx_create, nvel->cuda, "cuCtxCreate_v2");
- LOAD_SYMBOL(nvel->cu_ctx_pop_current, nvel->cuda, "cuCtxPopCurrent_v2");
- LOAD_SYMBOL(nvel->cu_ctx_destroy, nvel->cuda, "cuCtxDestroy_v2");
+#if defined(_WIN32)
+#define LOAD_FUNC(l, s) GetProcAddress(l, s)
+#define DL_CLOSE_FUNC(l) FreeLibrary(l)
+#else
+#define LOAD_FUNC(l, s) dlsym(l, s)
+#define DL_CLOSE_FUNC(l) dlclose(l)
+#endif
- LOAD_LIBRARY(nvel->nvenc, NVENC_LIBNAME);
+typedef enum cudaError_enum {
+ CUDA_SUCCESS = 0
+} CUresult;
+typedef int CUdevice;
+typedef void* CUcontext;
- LOAD_SYMBOL(nvenc_create_instance, nvel->nvenc,
- "NvEncodeAPICreateInstance");
+typedef CUresult(CUDAAPI *PCUINIT)(unsigned int Flags);
+typedef CUresult(CUDAAPI *PCUDEVICEGETCOUNT)(int *count);
+typedef CUresult(CUDAAPI *PCUDEVICEGET)(CUdevice *device, int ordinal);
+typedef CUresult(CUDAAPI *PCUDEVICEGETNAME)(char *name, int len, CUdevice dev);
+typedef CUresult(CUDAAPI *PCUDEVICECOMPUTECAPABILITY)(int *major, int *minor, CUdevice dev);
+typedef CUresult(CUDAAPI *PCUCTXCREATE)(CUcontext *pctx, unsigned int flags, CUdevice dev);
+typedef CUresult(CUDAAPI *PCUCTXPOPCURRENT)(CUcontext *pctx);
+typedef CUresult(CUDAAPI *PCUCTXDESTROY)(CUcontext ctx);
- nvel->nvenc_funcs.version = NV_ENCODE_API_FUNCTION_LIST_VER;
+typedef NVENCSTATUS (NVENCAPI* PNVENCODEAPICREATEINSTANCE)(NV_ENCODE_API_FUNCTION_LIST *functionList);
- if ((nvenc_create_instance(&nvel->nvenc_funcs)) != NV_ENC_SUCCESS) {
- av_log(avctx, AV_LOG_ERROR, "Cannot create the NVENC instance");
- return AVERROR_UNKNOWN;
- }
+typedef struct NvencInputSurface
+{
+ NV_ENC_INPUT_PTR input_surface;
+ int width;
+ int height;
- return 0;
-}
+ int lockCount;
-static int nvenc_open_session(AVCodecContext *avctx)
+ NV_ENC_BUFFER_FORMAT format;
+} NvencInputSurface;
+
+typedef struct NvencOutputSurface
{
- NV_ENC_OPEN_ENCODE_SESSION_EX_PARAMS params = { 0 };
- NVENCContext *ctx = avctx->priv_data;
- NV_ENCODE_API_FUNCTION_LIST *nv = &ctx->nvel.nvenc_funcs;
- int ret;
-
- params.version = NV_ENC_OPEN_ENCODE_SESSION_EX_PARAMS_VER;
- params.apiVersion = NVENCAPI_VERSION;
- params.device = ctx->cu_context;
- params.deviceType = NV_ENC_DEVICE_TYPE_CUDA;
-
- ret = nv->nvEncOpenEncodeSessionEx(¶ms, &ctx->nvenc_ctx);
- if (ret != NV_ENC_SUCCESS) {
- ctx->nvenc_ctx = NULL;
- av_log(avctx, AV_LOG_ERROR,
- "Cannot open the NVENC Session\n");
- return AVERROR_UNKNOWN;
- }
+ NV_ENC_OUTPUT_PTR output_surface;
+ int size;
- return 0;
-}
+ NvencInputSurface* input_surface;
+
+ int busy;
+} NvencOutputSurface;
-static int nvenc_check_codec_support(AVCodecContext *avctx)
+typedef struct NvencData
{
- NVENCContext *ctx = avctx->priv_data;
- NV_ENCODE_API_FUNCTION_LIST *nv = &ctx->nvel.nvenc_funcs;
- int i, ret, count = 0;
- GUID *guids = NULL;
+ union {
+ int64_t timestamp;
+ NvencOutputSurface *surface;
+ } u;
+} NvencData;
- ret = nv->nvEncGetEncodeGUIDCount(ctx->nvenc_ctx, &count);
+typedef struct NvencDataList
+{
+ NvencData* data;
- if (ret != NV_ENC_SUCCESS || !count)
- return AVERROR(ENOSYS);
+ uint32_t pos;
+ uint32_t count;
+ uint32_t size;
+} NvencDataList;
- guids = av_malloc(count * sizeof(GUID));
- if (!guids)
- return AVERROR(ENOMEM);
+typedef struct NvencDynLoadFunctions
+{
+ PCUINIT cu_init;
+ PCUDEVICEGETCOUNT cu_device_get_count;
+ PCUDEVICEGET cu_device_get;
+ PCUDEVICEGETNAME cu_device_get_name;
+ PCUDEVICECOMPUTECAPABILITY cu_device_compute_capability;
+ PCUCTXCREATE cu_ctx_create;
+ PCUCTXPOPCURRENT cu_ctx_pop_current;
+ PCUCTXDESTROY cu_ctx_destroy;
+
+ NV_ENCODE_API_FUNCTION_LIST nvenc_funcs;
+ int nvenc_device_count;
+ CUdevice nvenc_devices[16];
+
+#if defined(_WIN32)
+ HMODULE cuda_lib;
+ HMODULE nvenc_lib;
+#else
+ void* cuda_lib;
+ void* nvenc_lib;
+#endif
+} NvencDynLoadFunctions;
- ret = nv->nvEncGetEncodeGUIDs(ctx->nvenc_ctx, guids, count, &count);
- if (ret != NV_ENC_SUCCESS) {
- ret = AVERROR(ENOSYS);
- goto fail;
- }
+typedef struct NvencValuePair
+{
+ const char *str;
+ uint32_t num;
+} NvencValuePair;
- ret = AVERROR(ENOSYS);
- for (i = 0; i < count; i++) {
- if (!memcmp(&guids[i], &ctx->params.encodeGUID, sizeof(*guids))) {
- ret = 0;
- break;
+typedef struct NvencContext
+{
+ AVClass *avclass;
+
+ NvencDynLoadFunctions nvenc_dload_funcs;
+
+ NV_ENC_INITIALIZE_PARAMS init_encode_params;
+ NV_ENC_CONFIG encode_config;
+ CUcontext cu_context;
+
+ int max_surface_count;
+ NvencInputSurface *input_surfaces;
+ NvencOutputSurface *output_surfaces;
+
+ NvencDataList output_surface_queue;
+ NvencDataList output_surface_ready_queue;
+ NvencDataList timestamp_list;
+ int64_t last_dts;
+
+ void *nvencoder;
+
+ char *preset;
+ char *profile;
+ char *level;
+ char *tier;
+ int cbr;
+ int twopass;
+ int gpu;
+ int buffer_delay;
+} NvencContext;
+
+static const NvencValuePair nvenc_h264_level_pairs[] = {
+ { "auto", NV_ENC_LEVEL_AUTOSELECT },
+ { "1" , NV_ENC_LEVEL_H264_1 },
+ { "1.0" , NV_ENC_LEVEL_H264_1 },
+ { "1b" , NV_ENC_LEVEL_H264_1b },
+ { "1.0b", NV_ENC_LEVEL_H264_1b },
+ { "1.1" , NV_ENC_LEVEL_H264_11 },
+ { "1.2" , NV_ENC_LEVEL_H264_12 },
+ { "1.3" , NV_ENC_LEVEL_H264_13 },
+ { "2" , NV_ENC_LEVEL_H264_2 },
+ { "2.0" , NV_ENC_LEVEL_H264_2 },
+ { "2.1" , NV_ENC_LEVEL_H264_21 },
+ { "2.2" , NV_ENC_LEVEL_H264_22 },
+ { "3" , NV_ENC_LEVEL_H264_3 },
+ { "3.0" , NV_ENC_LEVEL_H264_3 },
+ { "3.1" , NV_ENC_LEVEL_H264_31 },
+ { "3.2" , NV_ENC_LEVEL_H264_32 },
+ { "4" , NV_ENC_LEVEL_H264_4 },
+ { "4.0" , NV_ENC_LEVEL_H264_4 },
+ { "4.1" , NV_ENC_LEVEL_H264_41 },
+ { "4.2" , NV_ENC_LEVEL_H264_42 },
+ { "5" , NV_ENC_LEVEL_H264_5 },
+ { "5.0" , NV_ENC_LEVEL_H264_5 },
+ { "5.1" , NV_ENC_LEVEL_H264_51 },
+ { NULL }
+};
+
+static const NvencValuePair nvenc_hevc_level_pairs[] = {
+ { "auto", NV_ENC_LEVEL_AUTOSELECT },
+ { "1" , NV_ENC_LEVEL_HEVC_1 },
+ { "1.0" , NV_ENC_LEVEL_HEVC_1 },
+ { "2" , NV_ENC_LEVEL_HEVC_2 },
+ { "2.0" , NV_ENC_LEVEL_HEVC_2 },
+ { "2.1" , NV_ENC_LEVEL_HEVC_21 },
+ { "3" , NV_ENC_LEVEL_HEVC_3 },
+ { "3.0" , NV_ENC_LEVEL_HEVC_3 },
+ { "3.1" , NV_ENC_LEVEL_HEVC_31 },
+ { "4" , NV_ENC_LEVEL_HEVC_4 },
+ { "4.0" , NV_ENC_LEVEL_HEVC_4 },
+ { "4.1" , NV_ENC_LEVEL_HEVC_41 },
+ { "5" , NV_ENC_LEVEL_HEVC_5 },
+ { "5.0" , NV_ENC_LEVEL_HEVC_5 },
+ { "5.1" , NV_ENC_LEVEL_HEVC_51 },
+ { "5.2" , NV_ENC_LEVEL_HEVC_52 },
+ { "6" , NV_ENC_LEVEL_HEVC_6 },
+ { "6.0" , NV_ENC_LEVEL_HEVC_6 },
+ { "6.1" , NV_ENC_LEVEL_HEVC_61 },
+ { "6.2" , NV_ENC_LEVEL_HEVC_62 },
+ { NULL }
+};
+
+static int input_string_to_uint32(AVCodecContext *avctx, const NvencValuePair *pair, const char *input, uint32_t *output)
+{
+ for (; pair->str; ++pair) {
+ if (!strcmp(input, pair->str)) {
+ *output = pair->num;
+ return 0;
}
}
-fail:
- av_free(guids);
-
- return ret;
+ return AVERROR(EINVAL);
}
-static int nvenc_check_cap(AVCodecContext *avctx, NV_ENC_CAPS cap)
+static NvencData* data_queue_dequeue(NvencDataList* queue)
{
- NVENCContext *ctx = avctx->priv_data;
- NV_ENCODE_API_FUNCTION_LIST *nv = &ctx->nvel.nvenc_funcs;
- NV_ENC_CAPS_PARAM params = { 0 };
- int ret, val = 0;
+ uint32_t mask;
+ uint32_t read_pos;
- params.version = NV_ENC_CAPS_PARAM_VER;
- params.capsToQuery = cap;
+ av_assert0(queue);
+ av_assert0(queue->size);
+ av_assert0(queue->data);
- ret = nv->nvEncGetEncodeCaps(ctx->nvenc_ctx, ctx->params.encodeGUID, ¶ms, &val);
+ if (!queue->count)
+ return NULL;
- if (ret == NV_ENC_SUCCESS)
- return val;
- return 0;
+ /* Size always is a multiple of two */
+ mask = queue->size - 1;
+ read_pos = (queue->pos - queue->count) & mask;
+ queue->count--;
+
+ return &queue->data[read_pos];
}
-static int nvenc_check_capabilities(AVCodecContext *avctx)
+static int data_queue_enqueue(NvencDataList* queue, NvencData *data)
{
- int ret;
+ NvencDataList new_queue;
+ NvencData* tmp_data;
+ uint32_t mask;
- ret = nvenc_check_codec_support(avctx);
- if (ret < 0) {
- av_log(avctx, AV_LOG_VERBOSE, "Codec not supported\n");
- return ret;
- }
-
- ret = nvenc_check_cap(avctx, NV_ENC_CAPS_SUPPORT_YUV444_ENCODE);
- if (avctx->pix_fmt == AV_PIX_FMT_YUV444P && ret <= 0) {
- av_log(avctx, AV_LOG_VERBOSE, "YUV444P not supported\n");
- return AVERROR(ENOSYS);
- }
+ if (!queue->size) {
+ /* size always has to be a multiple of two */
+ queue->size = 4;
+ queue->pos = 0;
+ queue->count = 0;
- ret = nvenc_check_cap(avctx, NV_ENC_CAPS_WIDTH_MAX);
- if (ret < avctx->width) {
- av_log(avctx, AV_LOG_VERBOSE, "Width %d exceeds %d\n",
- avctx->width, ret);
- return AVERROR(ENOSYS);
- }
+ queue->data = av_malloc(queue->size * sizeof(*(queue->data)));
- ret = nvenc_check_cap(avctx, NV_ENC_CAPS_HEIGHT_MAX);
- if (ret < avctx->height) {
- av_log(avctx, AV_LOG_VERBOSE, "Height %d exceeds %d\n",
- avctx->height, ret);
- return AVERROR(ENOSYS);
+ if (!queue->data) {
+ queue->size = 0;
+ return AVERROR(ENOMEM);
+ }
}
- ret = nvenc_check_cap(avctx, NV_ENC_CAPS_NUM_MAX_BFRAMES);
- if (ret < avctx->max_b_frames) {
- av_log(avctx, AV_LOG_VERBOSE, "Max b-frames %d exceed %d\n",
- avctx->max_b_frames, ret);
+ if (queue->count == queue->size) {
+ new_queue.size = queue->size << 1;
+ new_queue.pos = 0;
+ new_queue.count = 0;
+ new_queue.data = av_malloc(new_queue.size * sizeof(*(queue->data)));
- return AVERROR(ENOSYS);
- }
+ if (!new_queue.data)
+ return AVERROR(ENOMEM);
- return 0;
-}
+ while (tmp_data = data_queue_dequeue(queue))
+ data_queue_enqueue(&new_queue, tmp_data);
-static int nvenc_check_device(AVCodecContext *avctx, int idx)
-{
- NVENCContext *ctx = avctx->priv_data;
- NVENCLibraryContext *nvel = &ctx->nvel;
- char name[128] = { 0 };
- int major, minor, ret;
- CUdevice cu_device;
- CUcontext dummy;
- int loglevel = AV_LOG_VERBOSE;
-
- if (ctx->device == LIST_DEVICES)
- loglevel = AV_LOG_INFO;
-
- ret = nvel->cu_device_get(&cu_device, idx);
- if (ret != CUDA_SUCCESS) {
- av_log(avctx, AV_LOG_ERROR,
- "Cannot access the CUDA device %d\n",
- idx);
- return -1;
+ av_free(queue->data);
+ *queue = new_queue;
}
- ret = nvel->cu_device_get_name(name, sizeof(name), cu_device);
- if (ret != CUDA_SUCCESS)
- return -1;
+ mask = queue->size - 1;
- ret = nvel->cu_device_compute_capability(&major, &minor, cu_device);
- if (ret != CUDA_SUCCESS)
- return -1;
+ queue->data[queue->pos] = *data;
+ queue->pos = (queue->pos + 1) & mask;
+ queue->count++;
- av_log(avctx, loglevel, "Device %d [%s] ", cu_device, name);
-
- if (((major << 4) | minor) < NVENC_CAP)
- goto fail;
+ return 0;
+}
- ret = nvel->cu_ctx_create(&ctx->cu_context, 0, cu_device);
- if (ret != CUDA_SUCCESS)
- goto fail;
+static int out_surf_queue_enqueue(NvencDataList* queue, NvencOutputSurface* surface)
+{
+ NvencData data;
+ data.u.surface = surface;
- ret = nvel->cu_ctx_pop_current(&dummy);
- if (ret != CUDA_SUCCESS)
- goto fail2;
+ return data_queue_enqueue(queue, &data);
+}
- if ((ret = nvenc_open_session(avctx)) < 0)
- goto fail2;
+static NvencOutputSurface* out_surf_queue_dequeue(NvencDataList* queue)
+{
+ NvencData* res = data_queue_dequeue(queue);
- if ((ret = nvenc_check_capabilities(avctx)) < 0)
- goto fail3;
+ if (!res)
+ return NULL;
- av_log(avctx, loglevel, "supports NVENC\n");
+ return res->u.surface;
+}
- if (ctx->device == cu_device || ctx->device == ANY_DEVICE)
- return 0;
+static int timestamp_queue_enqueue(NvencDataList* queue, int64_t timestamp)
+{
+ NvencData data;
+ data.u.timestamp = timestamp;
-fail3:
- nvel->nvenc_funcs.nvEncDestroyEncoder(ctx->nvenc_ctx);
- ctx->nvenc_ctx = NULL;
+ return data_queue_enqueue(queue, &data);
+}
-fail2:
- nvel->cu_ctx_destroy(ctx->cu_context);
- ctx->cu_context = NULL;
+static int64_t timestamp_queue_dequeue(NvencDataList* queue)
+{
+ NvencData* res = data_queue_dequeue(queue);
-fail:
- if (ret != 0)
- av_log(avctx, loglevel, "does not support NVENC (major %d minor %d)\n",
- major, minor);
+ if (!res)
+ return AV_NOPTS_VALUE;
- return AVERROR(ENOSYS);
+ return res->u.timestamp;
}
-static int nvenc_setup_device(AVCodecContext *avctx)
+#define CHECK_LOAD_FUNC(t, f, s) \
+do { \
+ (f) = (t)LOAD_FUNC(dl_fn->cuda_lib, s); \
+ if (!(f)) { \
+ av_log(avctx, AV_LOG_FATAL, "Failed loading %s from CUDA library\n", s); \
+ goto error; \
+ } \
+} while (0)
+
+static av_cold int nvenc_dyload_cuda(AVCodecContext *avctx)
{
- NVENCContext *ctx = avctx->priv_data;
- NVENCLibraryContext *nvel = &ctx->nvel;
- int i, nb_devices = 0;
-
- if ((nvel->cu_init(0)) != CUDA_SUCCESS) {
- av_log(avctx, AV_LOG_ERROR,
- "Cannot init CUDA\n");
- return AVERROR_UNKNOWN;
- }
+ NvencContext *ctx = avctx->priv_data;
+ NvencDynLoadFunctions *dl_fn = &ctx->nvenc_dload_funcs;
- if ((nvel->cu_device_get_count(&nb_devices)) != CUDA_SUCCESS) {
- av_log(avctx, AV_LOG_ERROR,
- "Cannot enumerate the CUDA devices\n");
- return AVERROR_UNKNOWN;
- }
+ if (dl_fn->cuda_lib)
+ return 1;
- switch (avctx->codec->id) {
- case AV_CODEC_ID_H264:
- ctx->params.encodeGUID = NV_ENC_CODEC_H264_GUID;
- break;
- case AV_CODEC_ID_HEVC:
- ctx->params.encodeGUID = NV_ENC_CODEC_HEVC_GUID;
- break;
- default:
- return AVERROR_BUG;
- }
+#if defined(_WIN32)
+ dl_fn->cuda_lib = LoadLibrary(TEXT("nvcuda.dll"));
+#else
+ dl_fn->cuda_lib = dlopen("libcuda.so", RTLD_LAZY);
+#endif
- for (i = 0; i < nb_devices; ++i) {
- if ((nvenc_check_device(avctx, i)) >= 0 && ctx->device != LIST_DEVICES)
- return 0;
+ if (!dl_fn->cuda_lib) {
+ av_log(avctx, AV_LOG_FATAL, "Failed loading CUDA library\n");
+ goto error;
}
- if (ctx->device == LIST_DEVICES)
- return AVERROR_EXIT;
+ CHECK_LOAD_FUNC(PCUINIT, dl_fn->cu_init, "cuInit");
+ CHECK_LOAD_FUNC(PCUDEVICEGETCOUNT, dl_fn->cu_device_get_count, "cuDeviceGetCount");
+ CHECK_LOAD_FUNC(PCUDEVICEGET, dl_fn->cu_device_get, "cuDeviceGet");
+ CHECK_LOAD_FUNC(PCUDEVICEGETNAME, dl_fn->cu_device_get_name, "cuDeviceGetName");
+ CHECK_LOAD_FUNC(PCUDEVICECOMPUTECAPABILITY, dl_fn->cu_device_compute_capability, "cuDeviceComputeCapability");
+ CHECK_LOAD_FUNC(PCUCTXCREATE, dl_fn->cu_ctx_create, "cuCtxCreate_v2");
+ CHECK_LOAD_FUNC(PCUCTXPOPCURRENT, dl_fn->cu_ctx_pop_current, "cuCtxPopCurrent_v2");
+ CHECK_LOAD_FUNC(PCUCTXDESTROY, dl_fn->cu_ctx_destroy, "cuCtxDestroy_v2");
- return AVERROR(ENOSYS);
-}
+ return 1;
-typedef struct GUIDTuple {
- const GUID guid;
- int flags;
-} GUIDTuple;
+error:
-static int nvec_map_preset(NVENCContext *ctx)
-{
- GUIDTuple presets[] = {
- { NV_ENC_PRESET_DEFAULT_GUID },
- { NV_ENC_PRESET_HP_GUID },
- { NV_ENC_PRESET_HQ_GUID },
- { NV_ENC_PRESET_BD_GUID },
- { NV_ENC_PRESET_LOW_LATENCY_DEFAULT_GUID, NVENC_LOWLATENCY },
- { NV_ENC_PRESET_LOW_LATENCY_HP_GUID, NVENC_LOWLATENCY },
- { NV_ENC_PRESET_LOW_LATENCY_HQ_GUID, NVENC_LOWLATENCY },
- { NV_ENC_PRESET_LOSSLESS_DEFAULT_GUID, NVENC_LOSSLESS },
- { NV_ENC_PRESET_LOSSLESS_HP_GUID, NVENC_LOSSLESS },
- { { 0 } }
- };
-
- GUIDTuple *t = &presets[ctx->preset];
-
- ctx->params.presetGUID = t->guid;
- ctx->flags = t->flags;
+ if (dl_fn->cuda_lib)
+ DL_CLOSE_FUNC(dl_fn->cuda_lib);
- return AVERROR(EINVAL);
-}
+ dl_fn->cuda_lib = NULL;
-static void set_constqp(AVCodecContext *avctx, NV_ENC_RC_PARAMS *rc)
-{
- rc->rateControlMode = NV_ENC_PARAMS_RC_CONSTQP;
- rc->constQP.qpInterB = avctx->global_quality;
- rc->constQP.qpInterP = avctx->global_quality;
- rc->constQP.qpIntra = avctx->global_quality;
+ return 0;
}
-static void set_vbr(AVCodecContext *avctx, NV_ENC_RC_PARAMS *rc)
+static av_cold int check_cuda_errors(AVCodecContext *avctx, CUresult err, const char *func)
{
- if (avctx->qmin >= 0) {
- rc->enableMinQP = 1;
- rc->minQP.qpInterB = avctx->qmin;
- rc->minQP.qpInterP = avctx->qmin;
- rc->minQP.qpIntra = avctx->qmin;
- }
-
- if (avctx->qmax >= 0) {
- rc->enableMaxQP = 1;
- rc->maxQP.qpInterB = avctx->qmax;
- rc->maxQP.qpInterP = avctx->qmax;
- rc->maxQP.qpIntra = avctx->qmax;
+ if (err != CUDA_SUCCESS) {
+ av_log(avctx, AV_LOG_FATAL, ">> %s - failed with error code 0x%x\n", func, err);
+ return 0;
}
+ return 1;
}
+#define check_cuda_errors(f) if (!check_cuda_errors(avctx, f, #f)) goto error
-static void nvenc_override_rate_control(AVCodecContext *avctx,
- NV_ENC_RC_PARAMS *rc)
+static av_cold int nvenc_check_cuda(AVCodecContext *avctx)
{
- NVENCContext *ctx = avctx->priv_data;
-
- switch (ctx->rc) {
- case NV_ENC_PARAMS_RC_CONSTQP:
- if (avctx->global_quality < 0) {
- av_log(avctx, AV_LOG_WARNING,
- "The constant quality rate-control requires "
- "the 'global_quality' option set.\n");
- return;
- }
- set_constqp(avctx, rc);
- return;
- case NV_ENC_PARAMS_RC_2_PASS_VBR:
- case NV_ENC_PARAMS_RC_VBR:
- if (avctx->qmin < 0 && avctx->qmax < 0) {
- av_log(avctx, AV_LOG_WARNING,
- "The variable bitrate rate-control requires "
- "the 'qmin' and/or 'qmax' option set.\n");
- return;
- }
- case NV_ENC_PARAMS_RC_VBR_MINQP:
- if (avctx->qmin < 0) {
- av_log(avctx, AV_LOG_WARNING,
- "The variable bitrate rate-control requires "
- "the 'qmin' option set.\n");
- return;
- }
- set_vbr(avctx, rc);
+ int device_count = 0;
+ CUdevice cu_device = 0;
+ char gpu_name[128];
+ int smminor = 0, smmajor = 0;
+ int i, smver, target_smver;
+
+ NvencContext *ctx = avctx->priv_data;
+ NvencDynLoadFunctions *dl_fn = &ctx->nvenc_dload_funcs;
+
+ switch (avctx->codec->id) {
+ case AV_CODEC_ID_H264:
+ target_smver = avctx->pix_fmt == AV_PIX_FMT_YUV444P ? 0x52 : 0x30;
break;
- case NV_ENC_PARAMS_RC_CBR:
+ case AV_CODEC_ID_H265:
+ target_smver = 0x52;
break;
- case NV_ENC_PARAMS_RC_2_PASS_QUALITY:
- case NV_ENC_PARAMS_RC_2_PASS_FRAMESIZE_CAP:
- if (!(ctx->flags & NVENC_LOWLATENCY)) {
- av_log(avctx, AV_LOG_WARNING,
- "The multipass rate-control requires "
- "a low-latency preset.\n");
- return;
- }
+ default:
+ av_log(avctx, AV_LOG_FATAL, "nvenc: Unknown codec name\n");
+ goto error;
}
- rc->rateControlMode = ctx->rc;
-}
+ if (!nvenc_dyload_cuda(avctx))
+ return 0;
-static void nvenc_setup_rate_control(AVCodecContext *avctx)
-{
- NVENCContext *ctx = avctx->priv_data;
- NV_ENC_RC_PARAMS *rc = &ctx->config.rcParams;
+ if (dl_fn->nvenc_device_count > 0)
+ return 1;
- if (avctx->bit_rate > 0)
- rc->averageBitRate = avctx->bit_rate;
+ check_cuda_errors(dl_fn->cu_init(0));
- if (avctx->rc_max_rate > 0)
- rc->maxBitRate = avctx->rc_max_rate;
+ check_cuda_errors(dl_fn->cu_device_get_count(&device_count));
- if (ctx->rc > 0) {
- nvenc_override_rate_control(avctx, rc);
- } else if (avctx->global_quality > 0) {
- set_constqp(avctx, rc);
- } else if (avctx->qmin >= 0 && avctx->qmax >= 0) {
- rc->rateControlMode = NV_ENC_PARAMS_RC_VBR;
- set_vbr(avctx, rc);
+ if (!device_count) {
+ av_log(avctx, AV_LOG_FATAL, "No CUDA capable devices found\n");
+ goto error;
}
- if (avctx->rc_buffer_size > 0)
- rc->vbvBufferSize = avctx->rc_buffer_size;
+ av_log(avctx, AV_LOG_VERBOSE, "%d CUDA capable devices found\n", device_count);
- if (rc->averageBitRate > 0)
- avctx->bit_rate = rc->averageBitRate;
-}
+ dl_fn->nvenc_device_count = 0;
-static int nvenc_setup_h264_config(AVCodecContext *avctx)
-{
- NVENCContext *ctx = avctx->priv_data;
- NV_ENC_CONFIG *cc = &ctx->config;
- NV_ENC_CONFIG_H264 *h264 = &cc->encodeCodecConfig.h264Config;
- NV_ENC_CONFIG_H264_VUI_PARAMETERS *vui = &h264->h264VUIParameters;
+ for (i = 0; i < device_count; ++i) {
+ check_cuda_errors(dl_fn->cu_device_get(&cu_device, i));
+ check_cuda_errors(dl_fn->cu_device_get_name(gpu_name, sizeof(gpu_name), cu_device));
+ check_cuda_errors(dl_fn->cu_device_compute_capability(&smmajor, &smminor, cu_device));
- vui->colourDescriptionPresentFlag = 1;
- vui->videoSignalTypePresentFlag = 1;
+ smver = (smmajor << 4) | smminor;
- vui->colourMatrix = avctx->colorspace;
- vui->colourPrimaries = avctx->color_primaries;
- vui->transferCharacteristics = avctx->color_trc;
+ av_log(avctx, AV_LOG_VERBOSE, "[ GPU #%d - < %s > has Compute SM %d.%d, NVENC %s ]\n", i, gpu_name, smmajor, smminor, (smver >= target_smver) ? "Available" : "Not Available");
- vui->videoFullRangeFlag = avctx->color_range == AVCOL_RANGE_JPEG;
+ if (smver >= target_smver)
+ dl_fn->nvenc_devices[dl_fn->nvenc_device_count++] = cu_device;
+ }
- h264->disableSPSPPS = (avctx->flags & AV_CODEC_FLAG_GLOBAL_HEADER) ? 1 : 0;
- h264->repeatSPSPPS = (avctx->flags & AV_CODEC_FLAG_GLOBAL_HEADER) ? 0 : 1;
+ if (!dl_fn->nvenc_device_count) {
+ av_log(avctx, AV_LOG_FATAL, "No NVENC capable devices found\n");
+ goto error;
+ }
- h264->maxNumRefFrames = avctx->refs;
- h264->idrPeriod = cc->gopLength;
+ return 1;
- if (ctx->profile)
- avctx->profile = ctx->profile;
+error:
- if (avctx->pix_fmt == AV_PIX_FMT_YUV444P)
- h264->chromaFormatIDC = 3;
- else
- h264->chromaFormatIDC = 1;
-
- switch (ctx->profile) {
- case NV_ENC_H264_PROFILE_BASELINE:
- cc->profileGUID = NV_ENC_H264_PROFILE_BASELINE_GUID;
- break;
- case NV_ENC_H264_PROFILE_MAIN:
- cc->profileGUID = NV_ENC_H264_PROFILE_MAIN_GUID;
- break;
- case NV_ENC_H264_PROFILE_HIGH:
- cc->profileGUID = NV_ENC_H264_PROFILE_HIGH_GUID;
- break;
- case NV_ENC_H264_PROFILE_HIGH_444:
- cc->profileGUID = NV_ENC_H264_PROFILE_HIGH_444_GUID;
- break;
- case NV_ENC_H264_PROFILE_CONSTRAINED_HIGH:
- cc->profileGUID = NV_ENC_H264_PROFILE_CONSTRAINED_HIGH_GUID;
- break;
- }
-
- h264->level = ctx->level;
+ dl_fn->nvenc_device_count = 0;
return 0;
}
-static int nvenc_setup_hevc_config(AVCodecContext *avctx)
+static av_cold int nvenc_dyload_nvenc(AVCodecContext *avctx)
{
- NVENCContext *ctx = avctx->priv_data;
- NV_ENC_CONFIG *cc = &ctx->config;
- NV_ENC_CONFIG_HEVC *hevc = &cc->encodeCodecConfig.hevcConfig;
+ PNVENCODEAPICREATEINSTANCE nvEncodeAPICreateInstance = 0;
+ NVENCSTATUS nvstatus;
- hevc->disableSPSPPS = (avctx->flags & AV_CODEC_FLAG_GLOBAL_HEADER) ? 1 : 0;
- hevc->repeatSPSPPS = (avctx->flags & AV_CODEC_FLAG_GLOBAL_HEADER) ? 0 : 1;
+ NvencContext *ctx = avctx->priv_data;
+ NvencDynLoadFunctions *dl_fn = &ctx->nvenc_dload_funcs;
- hevc->maxNumRefFramesInDPB = avctx->refs;
- hevc->idrPeriod = cc->gopLength;
+ if (!nvenc_check_cuda(avctx))
+ return 0;
- /* No other profile is supported in the current SDK version 5 */
- cc->profileGUID = NV_ENC_HEVC_PROFILE_MAIN_GUID;
- avctx->profile = FF_PROFILE_HEVC_MAIN;
+ if (dl_fn->nvenc_lib)
+ return 1;
- if (ctx->level) {
- hevc->level = ctx->level;
+#if defined(_WIN32)
+ if (sizeof(void*) == 8) {
+ dl_fn->nvenc_lib = LoadLibrary(TEXT("nvEncodeAPI64.dll"));
} else {
- hevc->level = NV_ENC_LEVEL_AUTOSELECT;
+ dl_fn->nvenc_lib = LoadLibrary(TEXT("nvEncodeAPI.dll"));
}
+#else
+ dl_fn->nvenc_lib = dlopen("libnvidia-encode.so.1", RTLD_LAZY);
+#endif
- if (ctx->tier) {
- hevc->tier = ctx->tier;
+ if (!dl_fn->nvenc_lib) {
+ av_log(avctx, AV_LOG_FATAL, "Failed loading the nvenc library\n");
+ goto error;
}
- return 0;
-}
-static int nvenc_setup_codec_config(AVCodecContext *avctx)
-{
- switch (avctx->codec->id) {
- case AV_CODEC_ID_H264:
- return nvenc_setup_h264_config(avctx);
- case AV_CODEC_ID_HEVC:
- return nvenc_setup_hevc_config(avctx);
+ nvEncodeAPICreateInstance = (PNVENCODEAPICREATEINSTANCE)LOAD_FUNC(dl_fn->nvenc_lib, "NvEncodeAPICreateInstance");
+
+ if (!nvEncodeAPICreateInstance) {
+ av_log(avctx, AV_LOG_FATAL, "Failed to load nvenc entrypoint\n");
+ goto error;
}
- return 0;
-}
-static int nvenc_setup_encoder(AVCodecContext *avctx)
-{
- NVENCContext *ctx = avctx->priv_data;
- NV_ENCODE_API_FUNCTION_LIST *nv = &ctx->nvel.nvenc_funcs;
- NV_ENC_PRESET_CONFIG preset_cfg = { 0 };
- int ret;
-
- ctx->params.version = NV_ENC_INITIALIZE_PARAMS_VER;
-
- ctx->params.encodeHeight = avctx->height;
- ctx->params.encodeWidth = avctx->width;
-
- if (avctx->sample_aspect_ratio.num &&
- avctx->sample_aspect_ratio.den &&
- (avctx->sample_aspect_ratio.num != 1 ||
- avctx->sample_aspect_ratio.den != 1)) {
- av_reduce(&ctx->params.darWidth,
- &ctx->params.darHeight,
- avctx->width * avctx->sample_aspect_ratio.num,
- avctx->height * avctx->sample_aspect_ratio.den,
- INT_MAX / 8);
- } else {
- ctx->params.darHeight = avctx->height;
- ctx->params.darWidth = avctx->width;
+ dl_fn->nvenc_funcs.version = NV_ENCODE_API_FUNCTION_LIST_VER;
+
+ nvstatus = nvEncodeAPICreateInstance(&dl_fn->nvenc_funcs);
+
+ if (nvstatus != NV_ENC_SUCCESS) {
+ av_log(avctx, AV_LOG_FATAL, "Failed to create nvenc instance\n");
+ goto error;
}
- ctx->params.frameRateNum = avctx->time_base.den;
- ctx->params.frameRateDen = avctx->time_base.num * avctx->ticks_per_frame;
+ av_log(avctx, AV_LOG_VERBOSE, "Nvenc initialized successfully\n");
- ctx->params.enableEncodeAsync = 0;
- ctx->params.enablePTD = 1;
+ return 1;
- ctx->params.encodeConfig = &ctx->config;
+error:
+ if (dl_fn->nvenc_lib)
+ DL_CLOSE_FUNC(dl_fn->nvenc_lib);
- nvec_map_preset(ctx);
+ dl_fn->nvenc_lib = NULL;
- preset_cfg.version = NV_ENC_PRESET_CONFIG_VER;
- preset_cfg.presetCfg.version = NV_ENC_CONFIG_VER;
+ return 0;
+}
- ret = nv->nvEncGetEncodePresetConfig(ctx->nvenc_ctx,
- ctx->params.encodeGUID,
- ctx->params.presetGUID,
- &preset_cfg);
- if (ret != NV_ENC_SUCCESS) {
- av_log(avctx, AV_LOG_ERROR,
- "Cannot get the preset configuration\n");
- return AVERROR_UNKNOWN;
- }
+static av_cold void nvenc_unload_nvenc(AVCodecContext *avctx)
+{
+ NvencContext *ctx = avctx->priv_data;
+ NvencDynLoadFunctions *dl_fn = &ctx->nvenc_dload_funcs;
- memcpy(&ctx->config, &preset_cfg.presetCfg, sizeof(ctx->config));
+ DL_CLOSE_FUNC(dl_fn->nvenc_lib);
+ dl_fn->nvenc_lib = NULL;
- ctx->config.version = NV_ENC_CONFIG_VER;
+ dl_fn->nvenc_device_count = 0;
- if (avctx->gop_size > 0) {
- if (avctx->max_b_frames > 0) {
- ctx->last_dts = -2;
- /* 0 is intra-only,
- * 1 is I/P only,
- * 2 is one B Frame,
- * 3 two B frames, and so on. */
- ctx->config.frameIntervalP = avctx->max_b_frames + 1;
- } else if (avctx->max_b_frames == 0) {
- ctx->config.frameIntervalP = 1;
- }
- ctx->config.gopLength = avctx->gop_size;
- } else if (avctx->gop_size == 0) {
- ctx->config.frameIntervalP = 0;
- ctx->config.gopLength = 1;
- }
+ DL_CLOSE_FUNC(dl_fn->cuda_lib);
+ dl_fn->cuda_lib = NULL;
- if (ctx->config.frameIntervalP > 1)
- avctx->max_b_frames = ctx->config.frameIntervalP - 1;
+ dl_fn->cu_init = NULL;
+ dl_fn->cu_device_get_count = NULL;
+ dl_fn->cu_device_get = NULL;
+ dl_fn->cu_device_get_name = NULL;
+ dl_fn->cu_device_compute_capability = NULL;
+ dl_fn->cu_ctx_create = NULL;
+ dl_fn->cu_ctx_pop_current = NULL;
+ dl_fn->cu_ctx_destroy = NULL;
- nvenc_setup_rate_control(avctx);
+ av_log(avctx, AV_LOG_VERBOSE, "Nvenc unloaded\n");
+}
- if (avctx->flags & AV_CODEC_FLAG_INTERLACED_DCT) {
- ctx->config.frameFieldMode = NV_ENC_PARAMS_FRAME_FIELD_MODE_FIELD;
- } else {
- ctx->config.frameFieldMode = NV_ENC_PARAMS_FRAME_FIELD_MODE_FRAME;
+static av_cold int nvenc_encode_init(AVCodecContext *avctx)
+{
+ NV_ENC_OPEN_ENCODE_SESSION_EX_PARAMS encode_session_params = { 0 };
+ NV_ENC_PRESET_CONFIG preset_config = { 0 };
+ CUcontext cu_context_curr;
+ CUresult cu_res;
+ GUID encoder_preset = NV_ENC_PRESET_HQ_GUID;
+ GUID codec;
+ NVENCSTATUS nv_status = NV_ENC_SUCCESS;
+ int surfaceCount = 0;
+ int i, num_mbs;
+ int isLL = 0;
+ int lossless = 0;
+ int res = 0;
+ int dw, dh;
+
+ NvencContext *ctx = avctx->priv_data;
+ NvencDynLoadFunctions *dl_fn = &ctx->nvenc_dload_funcs;
+ NV_ENCODE_API_FUNCTION_LIST *p_nvenc = &dl_fn->nvenc_funcs;
+
+ if (!nvenc_dyload_nvenc(avctx))
+ return AVERROR_EXTERNAL;
+
+ ctx->last_dts = AV_NOPTS_VALUE;
+
+ ctx->encode_config.version = NV_ENC_CONFIG_VER;
+ ctx->init_encode_params.version = NV_ENC_INITIALIZE_PARAMS_VER;
+ preset_config.version = NV_ENC_PRESET_CONFIG_VER;
+ preset_config.presetCfg.version = NV_ENC_CONFIG_VER;
+ encode_session_params.version = NV_ENC_OPEN_ENCODE_SESSION_EX_PARAMS_VER;
+ encode_session_params.apiVersion = NVENCAPI_VERSION;
+
+ if (ctx->gpu >= dl_fn->nvenc_device_count) {
+ av_log(avctx, AV_LOG_FATAL, "Requested GPU %d, but only %d GPUs are available!\n", ctx->gpu, dl_fn->nvenc_device_count);
+ res = AVERROR(EINVAL);
+ goto error;
}
- if ((ret = nvenc_setup_codec_config(avctx)) < 0)
- return ret;
+ ctx->cu_context = NULL;
+ cu_res = dl_fn->cu_ctx_create(&ctx->cu_context, 0, dl_fn->nvenc_devices[ctx->gpu]);
- ret = nv->nvEncInitializeEncoder(ctx->nvenc_ctx, &ctx->params);
- if (ret != NV_ENC_SUCCESS) {
- av_log(avctx, AV_LOG_ERROR, "Cannot initialize the decoder");
- return AVERROR_UNKNOWN;
+ if (cu_res != CUDA_SUCCESS) {
+ av_log(avctx, AV_LOG_FATAL, "Failed creating CUDA context for NVENC: 0x%x\n", (int)cu_res);
+ res = AVERROR_EXTERNAL;
+ goto error;
}
- return 0;
-}
+ cu_res = dl_fn->cu_ctx_pop_current(&cu_context_curr);
-static int nvenc_alloc_surface(AVCodecContext *avctx, int idx)
-{
- NVENCContext *ctx = avctx->priv_data;
- NV_ENCODE_API_FUNCTION_LIST *nv = &ctx->nvel.nvenc_funcs;
- int ret;
- NV_ENC_CREATE_INPUT_BUFFER in_buffer = { 0 };
- NV_ENC_CREATE_BITSTREAM_BUFFER out_buffer = { 0 };
+ if (cu_res != CUDA_SUCCESS) {
+ av_log(avctx, AV_LOG_FATAL, "Failed popping CUDA context: 0x%x\n", (int)cu_res);
+ res = AVERROR_EXTERNAL;
+ goto error;
+ }
- in_buffer.version = NV_ENC_CREATE_INPUT_BUFFER_VER;
- out_buffer.version = NV_ENC_CREATE_BITSTREAM_BUFFER_VER;
+ encode_session_params.device = ctx->cu_context;
+ encode_session_params.deviceType = NV_ENC_DEVICE_TYPE_CUDA;
- in_buffer.width = avctx->width;
- in_buffer.height = avctx->height;
+ nv_status = p_nvenc->nvEncOpenEncodeSessionEx(&encode_session_params, &ctx->nvencoder);
+ if (nv_status != NV_ENC_SUCCESS) {
+ ctx->nvencoder = NULL;
+ av_log(avctx, AV_LOG_FATAL, "OpenEncodeSessionEx failed: 0x%x - invalid license key?\n", (int)nv_status);
+ res = AVERROR_EXTERNAL;
+ goto error;
+ }
- in_buffer.memoryHeap = NV_ENC_MEMORY_HEAP_SYSMEM_UNCACHED;
+ if (ctx->preset) {
+ if (!strcmp(ctx->preset, "hp")) {
+ encoder_preset = NV_ENC_PRESET_HP_GUID;
+ } else if (!strcmp(ctx->preset, "hq")) {
+ encoder_preset = NV_ENC_PRESET_HQ_GUID;
+ } else if (!strcmp(ctx->preset, "bd")) {
+ encoder_preset = NV_ENC_PRESET_BD_GUID;
+ } else if (!strcmp(ctx->preset, "ll")) {
+ encoder_preset = NV_ENC_PRESET_LOW_LATENCY_DEFAULT_GUID;
+ isLL = 1;
+ } else if (!strcmp(ctx->preset, "llhp")) {
+ encoder_preset = NV_ENC_PRESET_LOW_LATENCY_HP_GUID;
+ isLL = 1;
+ } else if (!strcmp(ctx->preset, "llhq")) {
+ encoder_preset = NV_ENC_PRESET_LOW_LATENCY_HQ_GUID;
+ isLL = 1;
+ } else if (!strcmp(ctx->preset, "lossless")) {
+ encoder_preset = NV_ENC_PRESET_LOSSLESS_DEFAULT_GUID;
+ lossless = 1;
+ } else if (!strcmp(ctx->preset, "losslesshp")) {
+ encoder_preset = NV_ENC_PRESET_LOSSLESS_HP_GUID;
+ lossless = 1;
+ } else if (!strcmp(ctx->preset, "default")) {
+ encoder_preset = NV_ENC_PRESET_DEFAULT_GUID;
+ } else {
+ av_log(avctx, AV_LOG_FATAL, "Preset \"%s\" is unknown! Supported presets: hp, hq, bd, ll, llhp, llhq, lossless, losslesshp, default\n", ctx->preset);
+ res = AVERROR(EINVAL);
+ goto error;
+ }
+ }
- switch (avctx->pix_fmt) {
- case AV_PIX_FMT_YUV420P:
- in_buffer.bufferFmt = NV_ENC_BUFFER_FORMAT_YV12_PL;
- break;
- case AV_PIX_FMT_NV12:
- in_buffer.bufferFmt = NV_ENC_BUFFER_FORMAT_NV12_PL;
+ switch (avctx->codec->id) {
+ case AV_CODEC_ID_H264:
+ codec = NV_ENC_CODEC_H264_GUID;
break;
- case AV_PIX_FMT_YUV444P:
- in_buffer.bufferFmt = NV_ENC_BUFFER_FORMAT_YUV444_PL;
+ case AV_CODEC_ID_H265:
+ codec = NV_ENC_CODEC_HEVC_GUID;
break;
default:
- return AVERROR_BUG;
+ av_log(avctx, AV_LOG_ERROR, "nvenc: Unknown codec name\n");
+ res = AVERROR(EINVAL);
+ goto error;
}
- ret = nv->nvEncCreateInputBuffer(ctx->nvenc_ctx, &in_buffer);
- if (ret != NV_ENC_SUCCESS) {
- av_log(avctx, AV_LOG_ERROR, "CreateInputBuffer failed\n");
- return AVERROR_UNKNOWN;
+ nv_status = p_nvenc->nvEncGetEncodePresetConfig(ctx->nvencoder, codec, encoder_preset, &preset_config);
+ if (nv_status != NV_ENC_SUCCESS) {
+ av_log(avctx, AV_LOG_FATAL, "GetEncodePresetConfig failed: 0x%x\n", (int)nv_status);
+ res = AVERROR_EXTERNAL;
+ goto error;
}
- ctx->in[idx].in = in_buffer.inputBuffer;
- ctx->in[idx].format = in_buffer.bufferFmt;
-
- /* 1MB is large enough to hold most output frames.
- * NVENC increases this automaticaly if it's not enough. */
- out_buffer.size = BITSTREAM_BUFFER_SIZE;
+ ctx->init_encode_params.encodeGUID = codec;
+ ctx->init_encode_params.encodeHeight = avctx->height;
+ ctx->init_encode_params.encodeWidth = avctx->width;
- out_buffer.memoryHeap = NV_ENC_MEMORY_HEAP_SYSMEM_UNCACHED;
+ if (avctx->sample_aspect_ratio.num && avctx->sample_aspect_ratio.den &&
+ (avctx->sample_aspect_ratio.num != 1 || avctx->sample_aspect_ratio.num != 1)) {
+ av_reduce(&dw, &dh,
+ avctx->width * avctx->sample_aspect_ratio.num,
+ avctx->height * avctx->sample_aspect_ratio.den,
+ 1024 * 1024);
+ ctx->init_encode_params.darHeight = dh;
+ ctx->init_encode_params.darWidth = dw;
+ } else {
+ ctx->init_encode_params.darHeight = avctx->height;
+ ctx->init_encode_params.darWidth = avctx->width;
+ }
- ret = nv->nvEncCreateBitstreamBuffer(ctx->nvenc_ctx, &out_buffer);
- if (ret != NV_ENC_SUCCESS) {
- av_log(avctx, AV_LOG_ERROR, "CreateBitstreamBuffer failed\n");
- return AVERROR_UNKNOWN;
+ // De-compensate for hardware, dubiously, trying to compensate for
+ // playback at 704 pixel width.
+ if (avctx->width == 720 &&
+ (avctx->height == 480 || avctx->height == 576)) {
+ av_reduce(&dw, &dh,
+ ctx->init_encode_params.darWidth * 44,
+ ctx->init_encode_params.darHeight * 45,
+ 1024 * 1024);
+ ctx->init_encode_params.darHeight = dh;
+ ctx->init_encode_params.darWidth = dw;
}
- ctx->out[idx].out = out_buffer.bitstreamBuffer;
- ctx->out[idx].busy = 0;
+ ctx->init_encode_params.frameRateNum = avctx->time_base.den;
+ ctx->init_encode_params.frameRateDen = avctx->time_base.num * avctx->ticks_per_frame;
- return 0;
-}
+ num_mbs = ((avctx->width + 15) >> 4) * ((avctx->height + 15) >> 4);
+ ctx->max_surface_count = (num_mbs >= 8160) ? 32 : 48;
-static int nvenc_setup_surfaces(AVCodecContext *avctx)
-{
- NVENCContext *ctx = avctx->priv_data;
- int i, ret;
+ if (ctx->buffer_delay >= ctx->max_surface_count)
+ ctx->buffer_delay = ctx->max_surface_count - 1;
- ctx->nb_surfaces = FFMAX(4 + avctx->max_b_frames,
- ctx->nb_surfaces);
+ ctx->init_encode_params.enableEncodeAsync = 0;
+ ctx->init_encode_params.enablePTD = 1;
- ctx->in = av_mallocz(ctx->nb_surfaces * sizeof(*ctx->in));
- if (!ctx->in)
- return AVERROR(ENOMEM);
+ ctx->init_encode_params.presetGUID = encoder_preset;
- ctx->out = av_mallocz(ctx->nb_surfaces * sizeof(*ctx->out));
- if (!ctx->out)
- return AVERROR(ENOMEM);
+ ctx->init_encode_params.encodeConfig = &ctx->encode_config;
+ memcpy(&ctx->encode_config, &preset_config.presetCfg, sizeof(ctx->encode_config));
+ ctx->encode_config.version = NV_ENC_CONFIG_VER;
- ctx->timestamps = av_fifo_alloc(ctx->nb_surfaces * sizeof(int64_t));
- if (!ctx->timestamps)
- return AVERROR(ENOMEM);
- ctx->pending = av_fifo_alloc(ctx->nb_surfaces * sizeof(ctx->out));
- if (!ctx->pending)
- return AVERROR(ENOMEM);
- ctx->ready = av_fifo_alloc(ctx->nb_surfaces * sizeof(ctx->out));
- if (!ctx->ready)
- return AVERROR(ENOMEM);
+ if (avctx->refs >= 0) {
+ /* 0 means "let the hardware decide" */
+ switch (avctx->codec->id) {
+ case AV_CODEC_ID_H264:
+ ctx->encode_config.encodeCodecConfig.h264Config.maxNumRefFrames = avctx->refs;
+ break;
+ case AV_CODEC_ID_H265:
+ ctx->encode_config.encodeCodecConfig.hevcConfig.maxNumRefFramesInDPB = avctx->refs;
+ break;
+ /* Earlier switch/case will return if unknown codec is passed. */
+ }
+ }
+
+ if (avctx->gop_size > 0) {
+ if (avctx->max_b_frames >= 0) {
+ /* 0 is intra-only, 1 is I/P only, 2 is one B Frame, 3 two B frames, and so on. */
+ ctx->encode_config.frameIntervalP = avctx->max_b_frames + 1;
+ }
- for (i = 0; i < ctx->nb_surfaces; i++) {
- if ((ret = nvenc_alloc_surface(avctx, i)) < 0)
- return ret;
+ ctx->encode_config.gopLength = avctx->gop_size;
+ switch (avctx->codec->id) {
+ case AV_CODEC_ID_H264:
+ ctx->encode_config.encodeCodecConfig.h264Config.idrPeriod = avctx->gop_size;
+ break;
+ case AV_CODEC_ID_H265:
+ ctx->encode_config.encodeCodecConfig.hevcConfig.idrPeriod = avctx->gop_size;
+ break;
+ /* Earlier switch/case will return if unknown codec is passed. */
+ }
+ } else if (avctx->gop_size == 0) {
+ ctx->encode_config.frameIntervalP = 0;
+ ctx->encode_config.gopLength = 1;
+ switch (avctx->codec->id) {
+ case AV_CODEC_ID_H264:
+ ctx->encode_config.encodeCodecConfig.h264Config.idrPeriod = 1;
+ break;
+ case AV_CODEC_ID_H265:
+ ctx->encode_config.encodeCodecConfig.hevcConfig.idrPeriod = 1;
+ break;
+ /* Earlier switch/case will return if unknown codec is passed. */
+ }
}
- return 0;
-}
+ /* when there're b frames, set dts offset */
+ if (ctx->encode_config.frameIntervalP >= 2)
+ ctx->last_dts = -2;
-#define EXTRADATA_SIZE 512
+ if (avctx->bit_rate > 0)
+ ctx->encode_config.rcParams.averageBitRate = avctx->bit_rate;
-static int nvenc_setup_extradata(AVCodecContext *avctx)
-{
- NVENCContext *ctx = avctx->priv_data;
- NV_ENCODE_API_FUNCTION_LIST *nv = &ctx->nvel.nvenc_funcs;
- NV_ENC_SEQUENCE_PARAM_PAYLOAD payload = { 0 };
- int ret;
+ if (avctx->rc_max_rate > 0)
+ ctx->encode_config.rcParams.maxBitRate = avctx->rc_max_rate;
+
+ if (lossless) {
+ ctx->encode_config.encodeCodecConfig.h264Config.qpPrimeYZeroTransformBypassFlag = 1;
+ ctx->encode_config.rcParams.rateControlMode = NV_ENC_PARAMS_RC_CONSTQP;
+ ctx->encode_config.rcParams.constQP.qpInterB = 0;
+ ctx->encode_config.rcParams.constQP.qpInterP = 0;
+ ctx->encode_config.rcParams.constQP.qpIntra = 0;
+
+ avctx->qmin = -1;
+ avctx->qmax = -1;
+ } else if (ctx->cbr) {
+ if (!ctx->twopass) {
+ ctx->encode_config.rcParams.rateControlMode = NV_ENC_PARAMS_RC_CBR;
+ } else if (ctx->twopass == 1 || isLL) {
+ ctx->encode_config.rcParams.rateControlMode = NV_ENC_PARAMS_RC_2_PASS_QUALITY;
+
+ if (avctx->codec->id == AV_CODEC_ID_H264) {
+ ctx->encode_config.encodeCodecConfig.h264Config.adaptiveTransformMode = NV_ENC_H264_ADAPTIVE_TRANSFORM_ENABLE;
+ ctx->encode_config.encodeCodecConfig.h264Config.fmoMode = NV_ENC_H264_FMO_DISABLE;
+ }
+ } else {
+ ctx->encode_config.rcParams.rateControlMode = NV_ENC_PARAMS_RC_CBR;
+ }
+ } else if (avctx->global_quality > 0) {
+ ctx->encode_config.rcParams.rateControlMode = NV_ENC_PARAMS_RC_CONSTQP;
+ ctx->encode_config.rcParams.constQP.qpInterB = avctx->global_quality;
+ ctx->encode_config.rcParams.constQP.qpInterP = avctx->global_quality;
+ ctx->encode_config.rcParams.constQP.qpIntra = avctx->global_quality;
- avctx->extradata = av_mallocz(EXTRADATA_SIZE + FF_INPUT_BUFFER_PADDING_SIZE);
- if (!avctx->extradata)
- return AVERROR(ENOMEM);
+ avctx->qmin = -1;
+ avctx->qmax = -1;
+ } else if (avctx->qmin >= 0 && avctx->qmax >= 0) {
+ ctx->encode_config.rcParams.rateControlMode = NV_ENC_PARAMS_RC_VBR;
- payload.version = NV_ENC_SEQUENCE_PARAM_PAYLOAD_VER;
- payload.spsppsBuffer = avctx->extradata;
- payload.inBufferSize = EXTRADATA_SIZE;
- payload.outSPSPPSPayloadSize = &avctx->extradata_size;
+ ctx->encode_config.rcParams.enableMinQP = 1;
+ ctx->encode_config.rcParams.enableMaxQP = 1;
- ret = nv->nvEncGetSequenceParams(ctx->nvenc_ctx, &payload);
- if (ret != NV_ENC_SUCCESS) {
- av_log(avctx, AV_LOG_ERROR, "Cannot get the extradata\n");
- return AVERROR_UNKNOWN;
+ ctx->encode_config.rcParams.minQP.qpInterB = avctx->qmin;
+ ctx->encode_config.rcParams.minQP.qpInterP = avctx->qmin;
+ ctx->encode_config.rcParams.minQP.qpIntra = avctx->qmin;
+
+ ctx->encode_config.rcParams.maxQP.qpInterB = avctx->qmax;
+ ctx->encode_config.rcParams.maxQP.qpInterP = avctx->qmax;
+ ctx->encode_config.rcParams.maxQP.qpIntra = avctx->qmax;
}
- return 0;
-}
+ if (avctx->rc_buffer_size > 0)
+ ctx->encode_config.rcParams.vbvBufferSize = avctx->rc_buffer_size;
-av_cold int ff_nvenc_encode_close(AVCodecContext *avctx)
-{
- NVENCContext *ctx = avctx->priv_data;
- NV_ENCODE_API_FUNCTION_LIST *nv = &ctx->nvel.nvenc_funcs;
- int i;
+ if (avctx->flags & AV_CODEC_FLAG_INTERLACED_DCT) {
+ ctx->encode_config.frameFieldMode = NV_ENC_PARAMS_FRAME_FIELD_MODE_FIELD;
+ } else {
+ ctx->encode_config.frameFieldMode = NV_ENC_PARAMS_FRAME_FIELD_MODE_FRAME;
+ }
- if (ctx->in) {
- for (i = 0; i < ctx->nb_surfaces; ++i) {
- nv->nvEncDestroyInputBuffer(ctx->nvenc_ctx, ctx->in[i].in);
- nv->nvEncDestroyBitstreamBuffer(ctx->nvenc_ctx, ctx->out[i].out);
+ switch (avctx->codec->id) {
+ case AV_CODEC_ID_H264:
+ ctx->encode_config.encodeCodecConfig.h264Config.h264VUIParameters.colourDescriptionPresentFlag = 1;
+ ctx->encode_config.encodeCodecConfig.h264Config.h264VUIParameters.videoSignalTypePresentFlag = 1;
+
+ ctx->encode_config.encodeCodecConfig.h264Config.h264VUIParameters.colourMatrix = avctx->colorspace;
+ ctx->encode_config.encodeCodecConfig.h264Config.h264VUIParameters.colourPrimaries = avctx->color_primaries;
+ ctx->encode_config.encodeCodecConfig.h264Config.h264VUIParameters.transferCharacteristics = avctx->color_trc;
+
+ ctx->encode_config.encodeCodecConfig.h264Config.h264VUIParameters.videoFullRangeFlag = avctx->color_range == AVCOL_RANGE_JPEG;
+
+ ctx->encode_config.encodeCodecConfig.h264Config.disableSPSPPS = (avctx->flags & AV_CODEC_FLAG_GLOBAL_HEADER) ? 1 : 0;
+ ctx->encode_config.encodeCodecConfig.h264Config.repeatSPSPPS = (avctx->flags & AV_CODEC_FLAG_GLOBAL_HEADER) ? 0 : 1;
+
+ if (!ctx->profile) {
+ switch (avctx->profile) {
+ case FF_PROFILE_H264_HIGH_444_PREDICTIVE:
+ ctx->encode_config.profileGUID = NV_ENC_H264_PROFILE_HIGH_444_GUID;
+ break;
+ case FF_PROFILE_H264_BASELINE:
+ ctx->encode_config.profileGUID = NV_ENC_H264_PROFILE_BASELINE_GUID;
+ break;
+ case FF_PROFILE_H264_MAIN:
+ ctx->encode_config.profileGUID = NV_ENC_H264_PROFILE_MAIN_GUID;
+ break;
+ case FF_PROFILE_H264_HIGH:
+ case FF_PROFILE_UNKNOWN:
+ ctx->encode_config.profileGUID = NV_ENC_H264_PROFILE_HIGH_GUID;
+ break;
+ default:
+ av_log(avctx, AV_LOG_WARNING, "Unsupported profile requested, falling back to high\n");
+ ctx->encode_config.profileGUID = NV_ENC_H264_PROFILE_HIGH_GUID;
+ break;
+ }
+ } else {
+ if (!strcmp(ctx->profile, "high")) {
+ ctx->encode_config.profileGUID = NV_ENC_H264_PROFILE_HIGH_GUID;
+ avctx->profile = FF_PROFILE_H264_HIGH;
+ } else if (!strcmp(ctx->profile, "main")) {
+ ctx->encode_config.profileGUID = NV_ENC_H264_PROFILE_MAIN_GUID;
+ avctx->profile = FF_PROFILE_H264_MAIN;
+ } else if (!strcmp(ctx->profile, "baseline")) {
+ ctx->encode_config.profileGUID = NV_ENC_H264_PROFILE_BASELINE_GUID;
+ avctx->profile = FF_PROFILE_H264_BASELINE;
+ } else if (!strcmp(ctx->profile, "high444p")) {
+ ctx->encode_config.profileGUID = NV_ENC_H264_PROFILE_HIGH_444_GUID;
+ avctx->profile = FF_PROFILE_H264_HIGH_444_PREDICTIVE;
+ } else {
+ av_log(avctx, AV_LOG_FATAL, "Profile \"%s\" is unknown! Supported profiles: high, main, baseline\n", ctx->profile);
+ res = AVERROR(EINVAL);
+ goto error;
+ }
}
- }
- av_freep(&ctx->in);
- av_freep(&ctx->out);
+ ctx->encode_config.encodeCodecConfig.h264Config.chromaFormatIDC = avctx->profile == FF_PROFILE_H264_HIGH_444_PREDICTIVE ? 3 : 1;
- if (ctx->nvenc_ctx)
- nv->nvEncDestroyEncoder(ctx->nvenc_ctx);
+ if (ctx->level) {
+ res = input_string_to_uint32(avctx, nvenc_h264_level_pairs, ctx->level, &ctx->encode_config.encodeCodecConfig.h264Config.level);
- if (ctx->cu_context)
- ctx->nvel.cu_ctx_destroy(ctx->cu_context);
+ if (res) {
+ av_log(avctx, AV_LOG_FATAL, "Level \"%s\" is unknown! Supported levels: auto, 1, 1b, 1.1, 1.2, 1.3, 2, 2.1, 2.2, 3, 3.1, 3.2, 4, 4.1, 4.2, 5, 5.1\n", ctx->level);
+ goto error;
+ }
+ } else {
+ ctx->encode_config.encodeCodecConfig.h264Config.level = NV_ENC_LEVEL_AUTOSELECT;
+ }
- if (ctx->nvel.nvenc)
- dlclose(ctx->nvel.nvenc);
+ break;
+ case AV_CODEC_ID_H265:
+ ctx->encode_config.encodeCodecConfig.hevcConfig.disableSPSPPS = (avctx->flags & AV_CODEC_FLAG_GLOBAL_HEADER) ? 1 : 0;
+ ctx->encode_config.encodeCodecConfig.hevcConfig.repeatSPSPPS = (avctx->flags & AV_CODEC_FLAG_GLOBAL_HEADER) ? 0 : 1;
- if (ctx->nvel.cuda)
- dlclose(ctx->nvel.cuda);
+ /* No other profile is supported in the current SDK version 5 */
+ ctx->encode_config.profileGUID = NV_ENC_HEVC_PROFILE_MAIN_GUID;
+ avctx->profile = FF_PROFILE_HEVC_MAIN;
- return 0;
-}
+ if (ctx->level) {
+ res = input_string_to_uint32(avctx, nvenc_hevc_level_pairs, ctx->level, &ctx->encode_config.encodeCodecConfig.hevcConfig.level);
-av_cold int ff_nvenc_encode_init(AVCodecContext *avctx)
-{
- int ret;
+ if (res) {
+ av_log(avctx, AV_LOG_FATAL, "Level \"%s\" is unknown! Supported levels: auto, 1, 2, 2.1, 3, 3.1, 4, 4.1, 5, 5.1, 5.2, 6, 6.1, 6.2\n", ctx->level);
+ goto error;
+ }
+ } else {
+ ctx->encode_config.encodeCodecConfig.hevcConfig.level = NV_ENC_LEVEL_AUTOSELECT;
+ }
+
+ if (ctx->tier) {
+ if (!strcmp(ctx->tier, "main")) {
+ ctx->encode_config.encodeCodecConfig.hevcConfig.tier = NV_ENC_TIER_HEVC_MAIN;
+ } else if (!strcmp(ctx->tier, "high")) {
+ ctx->encode_config.encodeCodecConfig.hevcConfig.tier = NV_ENC_TIER_HEVC_HIGH;
+ } else {
+ av_log(avctx, AV_LOG_FATAL, "Tier \"%s\" is unknown! Supported tiers: main, high\n", ctx->tier);
+ res = AVERROR(EINVAL);
+ goto error;
+ }
+ }
+
+ break;
+ /* Earlier switch/case will return if unknown codec is passed. */
+ }
- if ((ret = nvenc_load_libraries(avctx)) < 0)
- return ret;
+ nv_status = p_nvenc->nvEncInitializeEncoder(ctx->nvencoder, &ctx->init_encode_params);
+ if (nv_status != NV_ENC_SUCCESS) {
+ av_log(avctx, AV_LOG_FATAL, "InitializeEncoder failed: 0x%x\n", (int)nv_status);
+ res = AVERROR_EXTERNAL;
+ goto error;
+ }
- if ((ret = nvenc_setup_device(avctx)) < 0)
- return ret;
+ ctx->input_surfaces = av_malloc(ctx->max_surface_count * sizeof(*ctx->input_surfaces));
- if ((ret = nvenc_setup_encoder(avctx)) < 0)
- return ret;
+ if (!ctx->input_surfaces) {
+ res = AVERROR(ENOMEM);
+ goto error;
+ }
- if ((ret = nvenc_setup_surfaces(avctx)) < 0)
- return ret;
+ ctx->output_surfaces = av_malloc(ctx->max_surface_count * sizeof(*ctx->output_surfaces));
- if (avctx->flags & AV_CODEC_FLAG_GLOBAL_HEADER) {
- if ((ret = nvenc_setup_extradata(avctx)) < 0)
- return ret;
+ if (!ctx->output_surfaces) {
+ res = AVERROR(ENOMEM);
+ goto error;
}
- return 0;
-}
+ for (surfaceCount = 0; surfaceCount < ctx->max_surface_count; ++surfaceCount) {
+ NV_ENC_CREATE_INPUT_BUFFER allocSurf = { 0 };
+ NV_ENC_CREATE_BITSTREAM_BUFFER allocOut = { 0 };
+ allocSurf.version = NV_ENC_CREATE_INPUT_BUFFER_VER;
+ allocOut.version = NV_ENC_CREATE_BITSTREAM_BUFFER_VER;
-static NVENCInputSurface *get_input_surface(NVENCContext *ctx)
-{
- int i;
+ allocSurf.width = (avctx->width + 31) & ~31;
+ allocSurf.height = (avctx->height + 31) & ~31;
- for (i = 0; i < ctx->nb_surfaces; i++) {
- if (!ctx->in[i].locked) {
- ctx->in[i].locked = 1;
- return &ctx->in[i];
- }
- }
+ allocSurf.memoryHeap = NV_ENC_MEMORY_HEAP_SYSMEM_CACHED;
- return NULL;
-}
+ switch (avctx->pix_fmt) {
+ case AV_PIX_FMT_YUV420P:
+ allocSurf.bufferFmt = NV_ENC_BUFFER_FORMAT_YV12_PL;
+ break;
-static NVENCOutputSurface *get_output_surface(NVENCContext *ctx)
-{
- int i;
+ case AV_PIX_FMT_NV12:
+ allocSurf.bufferFmt = NV_ENC_BUFFER_FORMAT_NV12_PL;
+ break;
+
+ case AV_PIX_FMT_YUV444P:
+ allocSurf.bufferFmt = NV_ENC_BUFFER_FORMAT_YUV444_PL;
+ break;
- for (i = 0; i < ctx->nb_surfaces; i++) {
- if (!ctx->out[i].busy) {
- return &ctx->out[i];
+ default:
+ av_log(avctx, AV_LOG_FATAL, "Invalid input pixel format\n");
+ res = AVERROR(EINVAL);
+ goto error;
}
- }
- return NULL;
-}
+ nv_status = p_nvenc->nvEncCreateInputBuffer(ctx->nvencoder, &allocSurf);
+ if (nv_status != NV_ENC_SUCCESS) {
+ av_log(avctx, AV_LOG_FATAL, "CreateInputBuffer failed\n");
+ res = AVERROR_EXTERNAL;
+ goto error;
+ }
-static int nvenc_copy_frame(NV_ENC_LOCK_INPUT_BUFFER *in, const AVFrame *frame)
-{
- uint8_t *buf = in->bufferDataPtr;
- int off = frame->height * in->pitch;
+ ctx->input_surfaces[surfaceCount].lockCount = 0;
+ ctx->input_surfaces[surfaceCount].input_surface = allocSurf.inputBuffer;
+ ctx->input_surfaces[surfaceCount].format = allocSurf.bufferFmt;
+ ctx->input_surfaces[surfaceCount].width = allocSurf.width;
+ ctx->input_surfaces[surfaceCount].height = allocSurf.height;
- switch (frame->format) {
- case AV_PIX_FMT_YUV420P:
- av_image_copy_plane(buf, in->pitch,
- frame->data[0], frame->linesize[0],
- frame->width, frame->height);
- buf += off;
+ /* 1MB is large enough to hold most output frames. NVENC increases this automaticaly if it's not enough. */
+ allocOut.size = 1024 * 1024;
- av_image_copy_plane(buf, in->pitch >> 1,
- frame->data[2], frame->linesize[2],
- frame->width >> 1, frame->height >> 1);
+ allocOut.memoryHeap = NV_ENC_MEMORY_HEAP_SYSMEM_CACHED;
- buf += off >> 2;
+ nv_status = p_nvenc->nvEncCreateBitstreamBuffer(ctx->nvencoder, &allocOut);
+ if (nv_status != NV_ENC_SUCCESS) {
+ av_log(avctx, AV_LOG_FATAL, "CreateBitstreamBuffer failed\n");
+ ctx->output_surfaces[surfaceCount++].output_surface = NULL;
+ res = AVERROR_EXTERNAL;
+ goto error;
+ }
- av_image_copy_plane(buf, in->pitch >> 1,
- frame->data[1], frame->linesize[1],
- frame->width >> 1, frame->height >> 1);
- break;
- case AV_PIX_FMT_NV12:
- av_image_copy_plane(buf, in->pitch,
- frame->data[0], frame->linesize[0],
- frame->width, frame->height);
- buf += off;
-
- av_image_copy_plane(buf, in->pitch,
- frame->data[1], frame->linesize[1],
- frame->width, frame->height >> 1);
- break;
- case AV_PIX_FMT_YUV444P:
- av_image_copy_plane(buf, in->pitch,
- frame->data[0], frame->linesize[0],
- frame->width, frame->height);
- buf += off;
-
- av_image_copy_plane(buf, in->pitch,
- frame->data[1], frame->linesize[1],
- frame->width, frame->height);
- buf += off;
-
- av_image_copy_plane(buf, in->pitch,
- frame->data[2], frame->linesize[2],
- frame->width, frame->height);
- break;
- default:
- return AVERROR_BUG;
+ ctx->output_surfaces[surfaceCount].output_surface = allocOut.bitstreamBuffer;
+ ctx->output_surfaces[surfaceCount].size = allocOut.size;
+ ctx->output_surfaces[surfaceCount].busy = 0;
}
- return 0;
-}
+ if (avctx->flags & AV_CODEC_FLAG_GLOBAL_HEADER) {
+ uint32_t outSize = 0;
+ char tmpHeader[256];
+ NV_ENC_SEQUENCE_PARAM_PAYLOAD payload = { 0 };
+ payload.version = NV_ENC_SEQUENCE_PARAM_PAYLOAD_VER;
+
+ payload.spsppsBuffer = tmpHeader;
+ payload.inBufferSize = sizeof(tmpHeader);
+ payload.outSPSPPSPayloadSize = &outSize;
+
+ nv_status = p_nvenc->nvEncGetSequenceParams(ctx->nvencoder, &payload);
+ if (nv_status != NV_ENC_SUCCESS) {
+ av_log(avctx, AV_LOG_FATAL, "GetSequenceParams failed\n");
+ goto error;
+ }
-static int nvenc_enqueue_frame(AVCodecContext *avctx, const AVFrame *frame,
- NVENCInputSurface **in_surf)
-{
- NVENCContext *ctx = avctx->priv_data;
- NV_ENCODE_API_FUNCTION_LIST *nv = &ctx->nvel.nvenc_funcs;
- NV_ENC_LOCK_INPUT_BUFFER params = { 0 };
- NVENCInputSurface *in = get_input_surface(ctx);
- int ret;
+ avctx->extradata_size = outSize;
+ avctx->extradata = av_mallocz(outSize + FF_INPUT_BUFFER_PADDING_SIZE);
- if (!in)
- return AVERROR_BUG;
+ if (!avctx->extradata) {
+ res = AVERROR(ENOMEM);
+ goto error;
+ }
- params.version = NV_ENC_LOCK_INPUT_BUFFER_VER;
- params.inputBuffer = in->in;
+ memcpy(avctx->extradata, tmpHeader, outSize);
+ }
+ if (ctx->encode_config.frameIntervalP > 1)
+ avctx->has_b_frames = 2;
- ret = nv->nvEncLockInputBuffer(ctx->nvenc_ctx, ¶ms);
- if (ret != NV_ENC_SUCCESS) {
- av_log(avctx, AV_LOG_ERROR, "Cannot lock the buffer %p.\n",
- in);
- return AVERROR_UNKNOWN;
- }
+ if (ctx->encode_config.rcParams.averageBitRate > 0)
+ avctx->bit_rate = ctx->encode_config.rcParams.averageBitRate;
+
+ return 0;
- ret = nvenc_copy_frame(¶ms, frame);
- if (ret < 0)
- goto fail;
+error:
- ret = nv->nvEncUnlockInputBuffer(ctx->nvenc_ctx, in->in);
- if (ret != NV_ENC_SUCCESS) {
- av_log(avctx, AV_LOG_ERROR, "Cannot unlock the buffer %p.\n",
- in);
- return AVERROR_UNKNOWN;
+ for (i = 0; i < surfaceCount; ++i) {
+ p_nvenc->nvEncDestroyInputBuffer(ctx->nvencoder, ctx->input_surfaces[i].input_surface);
+ if (ctx->output_surfaces[i].output_surface)
+ p_nvenc->nvEncDestroyBitstreamBuffer(ctx->nvencoder, ctx->output_surfaces[i].output_surface);
}
- *in_surf = in;
+ if (ctx->nvencoder)
+ p_nvenc->nvEncDestroyEncoder(ctx->nvencoder);
- return 0;
+ if (ctx->cu_context)
+ dl_fn->cu_ctx_destroy(ctx->cu_context);
-fail:
- nv->nvEncUnlockInputBuffer(ctx->nvenc_ctx, in->in);
+ nvenc_unload_nvenc(avctx);
- return ret;
+ ctx->nvencoder = NULL;
+ ctx->cu_context = NULL;
+
+ return res;
}
-static void nvenc_codec_specific_pic_params(AVCodecContext *avctx,
- NV_ENC_PIC_PARAMS *params)
+static av_cold int nvenc_encode_close(AVCodecContext *avctx)
{
- NVENCContext *ctx = avctx->priv_data;
+ NvencContext *ctx = avctx->priv_data;
+ NvencDynLoadFunctions *dl_fn = &ctx->nvenc_dload_funcs;
+ NV_ENCODE_API_FUNCTION_LIST *p_nvenc = &dl_fn->nvenc_funcs;
+ int i;
- switch (avctx->codec->id) {
- case AV_CODEC_ID_H264:
- params->codecPicParams.h264PicParams.sliceMode =
- ctx->config.encodeCodecConfig.h264Config.sliceMode;
- params->codecPicParams.h264PicParams.sliceModeData =
- ctx->config.encodeCodecConfig.h264Config.sliceModeData;
- break;
- case AV_CODEC_ID_HEVC:
- params->codecPicParams.hevcPicParams.sliceMode =
- ctx->config.encodeCodecConfig.hevcConfig.sliceMode;
- params->codecPicParams.hevcPicParams.sliceModeData =
- ctx->config.encodeCodecConfig.hevcConfig.sliceModeData;
- break;
+ av_freep(&ctx->timestamp_list.data);
+ av_freep(&ctx->output_surface_ready_queue.data);
+ av_freep(&ctx->output_surface_queue.data);
+
+ for (i = 0; i < ctx->max_surface_count; ++i) {
+ p_nvenc->nvEncDestroyInputBuffer(ctx->nvencoder, ctx->input_surfaces[i].input_surface);
+ p_nvenc->nvEncDestroyBitstreamBuffer(ctx->nvencoder, ctx->output_surfaces[i].output_surface);
}
-}
+ ctx->max_surface_count = 0;
-static inline int nvenc_enqueue_timestamp(AVFifoBuffer *f, int64_t pts)
-{
- return av_fifo_generic_write(f, &pts, sizeof(pts), NULL);
-}
+ p_nvenc->nvEncDestroyEncoder(ctx->nvencoder);
+ ctx->nvencoder = NULL;
-static inline int nvenc_dequeue_timestamp(AVFifoBuffer *f, int64_t *pts)
-{
- return av_fifo_generic_read(f, pts, sizeof(*pts), NULL);
-}
+ dl_fn->cu_ctx_destroy(ctx->cu_context);
+ ctx->cu_context = NULL;
-static inline int nvenc_enqueue_surface(AVFifoBuffer *f,
- NVENCOutputSurface *surf)
-{
- surf->busy = 1;
- return av_fifo_generic_write(f, &surf, sizeof(surf), NULL);
-}
+ nvenc_unload_nvenc(avctx);
-static inline int nvenc_dequeue_surface(AVFifoBuffer *f,
- NVENCOutputSurface **surf)
-{
- return av_fifo_generic_read(f, surf, sizeof(*surf), NULL);
+ return 0;
}
-static int nvenc_set_timestamp(NVENCContext *ctx,
- NV_ENC_LOCK_BITSTREAM *params,
- AVPacket *pkt)
+static int process_output_surface(AVCodecContext *avctx, AVPacket *pkt, NvencOutputSurface *tmpoutsurf)
{
- pkt->pts = params->outputTimeStamp;
- pkt->duration = params->outputDuration;
-
- return nvenc_dequeue_timestamp(ctx->timestamps, &pkt->dts);
-}
+ NvencContext *ctx = avctx->priv_data;
+ NvencDynLoadFunctions *dl_fn = &ctx->nvenc_dload_funcs;
+ NV_ENCODE_API_FUNCTION_LIST *p_nvenc = &dl_fn->nvenc_funcs;
-static int nvenc_get_frame(AVCodecContext *avctx, AVPacket *pkt)
-{
- NVENCContext *ctx = avctx->priv_data;
- NV_ENCODE_API_FUNCTION_LIST *nv = &ctx->nvel.nvenc_funcs;
- NV_ENC_LOCK_BITSTREAM params = { 0 };
- NVENCOutputSurface *out = NULL;
- int ret;
+ uint32_t slice_mode_data;
+ uint32_t *slice_offsets;
+ NV_ENC_LOCK_BITSTREAM lock_params = { 0 };
+ NVENCSTATUS nv_status;
+ int res = 0;
- ret = nvenc_dequeue_surface(ctx->pending, &out);
- if (ret)
- return ret;
+ switch (avctx->codec->id) {
+ case AV_CODEC_ID_H264:
+ slice_mode_data = ctx->encode_config.encodeCodecConfig.h264Config.sliceModeData;
+ break;
+ case AV_CODEC_ID_H265:
+ slice_mode_data = ctx->encode_config.encodeCodecConfig.hevcConfig.sliceModeData;
+ break;
+ default:
+ av_log(avctx, AV_LOG_ERROR, "nvenc: Unknown codec name\n");
+ res = AVERROR(EINVAL);
+ goto error;
+ }
+ slice_offsets = av_mallocz(slice_mode_data * sizeof(*slice_offsets));
- params.version = NV_ENC_LOCK_BITSTREAM_VER;
- params.outputBitstream = out->out;
+ if (!slice_offsets)
+ return AVERROR(ENOMEM);
- ret = nv->nvEncLockBitstream(ctx->nvenc_ctx, ¶ms);
- if (ret < 0)
- return AVERROR_UNKNOWN;
+ lock_params.version = NV_ENC_LOCK_BITSTREAM_VER;
- ret = ff_alloc_packet(pkt, params.bitstreamSizeInBytes);
- if (ret < 0)
- return ret;
+ lock_params.doNotWait = 0;
+ lock_params.outputBitstream = tmpoutsurf->output_surface;
+ lock_params.sliceOffsets = slice_offsets;
- memcpy(pkt->data, params.bitstreamBufferPtr, pkt->size);
+ nv_status = p_nvenc->nvEncLockBitstream(ctx->nvencoder, &lock_params);
+ if (nv_status != NV_ENC_SUCCESS) {
+ av_log(avctx, AV_LOG_ERROR, "Failed locking bitstream buffer\n");
+ res = AVERROR_EXTERNAL;
+ goto error;
+ }
- ret = nv->nvEncUnlockBitstream(ctx->nvenc_ctx, out->out);
- if (ret < 0)
- return AVERROR_UNKNOWN;
+ if (res = ff_alloc_packet2(avctx, pkt, lock_params.bitstreamSizeInBytes, 0)) {
+ p_nvenc->nvEncUnlockBitstream(ctx->nvencoder, tmpoutsurf->output_surface);
+ goto error;
+ }
- out->busy = out->in->locked = 0;
+ memcpy(pkt->data, lock_params.bitstreamBufferPtr, lock_params.bitstreamSizeInBytes);
- ret = nvenc_set_timestamp(ctx, ¶ms, pkt);
- if (ret < 0)
- return ret;
+ nv_status = p_nvenc->nvEncUnlockBitstream(ctx->nvencoder, tmpoutsurf->output_surface);
+ if (nv_status != NV_ENC_SUCCESS)
+ av_log(avctx, AV_LOG_ERROR, "Failed unlocking bitstream buffer, expect the gates of mordor to open\n");
- switch (params.pictureType) {
+ switch (lock_params.pictureType) {
case NV_ENC_PIC_TYPE_IDR:
pkt->flags |= AV_PKT_FLAG_KEY;
#if FF_API_CODED_FRAME
FF_DISABLE_DEPRECATION_WARNINGS
- case NV_ENC_PIC_TYPE_INTRA_REFRESH:
case NV_ENC_PIC_TYPE_I:
avctx->coded_frame->pict_type = AV_PICTURE_TYPE_I;
break;
case NV_ENC_PIC_TYPE_BI:
avctx->coded_frame->pict_type = AV_PICTURE_TYPE_BI;
break;
+ default:
+ av_log(avctx, AV_LOG_ERROR, "Unknown picture type encountered, expect the output to be broken.\n");
+ av_log(avctx, AV_LOG_ERROR, "Please report this error and include as much information on how to reproduce it as possible.\n");
+ res = AVERROR_EXTERNAL;
+ goto error;
FF_ENABLE_DEPRECATION_WARNINGS
#endif
}
+ pkt->pts = lock_params.outputTimeStamp;
+ pkt->dts = timestamp_queue_dequeue(&ctx->timestamp_list);
+
+ /* when there're b frame(s), set dts offset */
+ if (ctx->encode_config.frameIntervalP >= 2)
+ pkt->dts -= 1;
+
+ if (pkt->dts > pkt->pts)
+ pkt->dts = pkt->pts;
+
+ if (ctx->last_dts != AV_NOPTS_VALUE && pkt->dts <= ctx->last_dts)
+ pkt->dts = ctx->last_dts + 1;
+
+ ctx->last_dts = pkt->dts;
+
+ av_free(slice_offsets);
+
return 0;
+
+error:
+
+ av_free(slice_offsets);
+ timestamp_queue_dequeue(&ctx->timestamp_list);
+
+ return res;
}
-int ff_nvenc_encode_frame(AVCodecContext *avctx, AVPacket *pkt,
- const AVFrame *frame, int *got_packet)
+static int nvenc_encode_frame(AVCodecContext *avctx, AVPacket *pkt,
+ const AVFrame *frame, int *got_packet)
{
- NVENCContext *ctx = avctx->priv_data;
- NV_ENCODE_API_FUNCTION_LIST *nv = &ctx->nvel.nvenc_funcs;
- NV_ENC_PIC_PARAMS params = { 0 };
- NVENCInputSurface *in = NULL;
- NVENCOutputSurface *out = NULL;
- int ret;
+ NVENCSTATUS nv_status;
+ NvencOutputSurface *tmpoutsurf;
+ int res, i = 0;
- params.version = NV_ENC_PIC_PARAMS_VER;
+ NvencContext *ctx = avctx->priv_data;
+ NvencDynLoadFunctions *dl_fn = &ctx->nvenc_dload_funcs;
+ NV_ENCODE_API_FUNCTION_LIST *p_nvenc = &dl_fn->nvenc_funcs;
+
+ NV_ENC_PIC_PARAMS pic_params = { 0 };
+ pic_params.version = NV_ENC_PIC_PARAMS_VER;
if (frame) {
- ret = nvenc_enqueue_frame(avctx, frame, &in);
- if (ret < 0)
- return ret;
- out = get_output_surface(ctx);
- if (!out)
- return AVERROR_BUG;
-
- out->in = in;
-
- params.inputBuffer = in->in;
- params.bufferFmt = in->format;
- params.inputWidth = frame->width;
- params.inputHeight = frame->height;
- params.outputBitstream = out->out;
- params.inputTimeStamp = frame->pts;
+ NV_ENC_LOCK_INPUT_BUFFER lockBufferParams = { 0 };
+ NvencInputSurface *inSurf = NULL;
+
+ for (i = 0; i < ctx->max_surface_count; ++i) {
+ if (!ctx->input_surfaces[i].lockCount) {
+ inSurf = &ctx->input_surfaces[i];
+ break;
+ }
+ }
+
+ av_assert0(inSurf);
+
+ inSurf->lockCount = 1;
+
+ lockBufferParams.version = NV_ENC_LOCK_INPUT_BUFFER_VER;
+ lockBufferParams.inputBuffer = inSurf->input_surface;
+
+ nv_status = p_nvenc->nvEncLockInputBuffer(ctx->nvencoder, &lockBufferParams);
+ if (nv_status != NV_ENC_SUCCESS) {
+ av_log(avctx, AV_LOG_ERROR, "Failed locking nvenc input buffer\n");
+ return 0;
+ }
+
+ if (avctx->pix_fmt == AV_PIX_FMT_YUV420P) {
+ uint8_t *buf = lockBufferParams.bufferDataPtr;
+
+ av_image_copy_plane(buf, lockBufferParams.pitch,
+ frame->data[0], frame->linesize[0],
+ avctx->width, avctx->height);
+
+ buf += inSurf->height * lockBufferParams.pitch;
+
+ av_image_copy_plane(buf, lockBufferParams.pitch >> 1,
+ frame->data[2], frame->linesize[2],
+ avctx->width >> 1, avctx->height >> 1);
+
+ buf += (inSurf->height * lockBufferParams.pitch) >> 2;
+
+ av_image_copy_plane(buf, lockBufferParams.pitch >> 1,
+ frame->data[1], frame->linesize[1],
+ avctx->width >> 1, avctx->height >> 1);
+ } else if (avctx->pix_fmt == AV_PIX_FMT_NV12) {
+ uint8_t *buf = lockBufferParams.bufferDataPtr;
+
+ av_image_copy_plane(buf, lockBufferParams.pitch,
+ frame->data[0], frame->linesize[0],
+ avctx->width, avctx->height);
+
+ buf += inSurf->height * lockBufferParams.pitch;
+
+ av_image_copy_plane(buf, lockBufferParams.pitch,
+ frame->data[1], frame->linesize[1],
+ avctx->width, avctx->height >> 1);
+ } else if (avctx->pix_fmt == AV_PIX_FMT_YUV444P) {
+ uint8_t *buf = lockBufferParams.bufferDataPtr;
+
+ av_image_copy_plane(buf, lockBufferParams.pitch,
+ frame->data[0], frame->linesize[0],
+ avctx->width, avctx->height);
+
+ buf += inSurf->height * lockBufferParams.pitch;
+
+ av_image_copy_plane(buf, lockBufferParams.pitch,
+ frame->data[1], frame->linesize[1],
+ avctx->width, avctx->height);
+
+ buf += inSurf->height * lockBufferParams.pitch;
+
+ av_image_copy_plane(buf, lockBufferParams.pitch,
+ frame->data[2], frame->linesize[2],
+ avctx->width, avctx->height);
+ } else {
+ av_log(avctx, AV_LOG_FATAL, "Invalid pixel format!\n");
+ return AVERROR(EINVAL);
+ }
+
+ nv_status = p_nvenc->nvEncUnlockInputBuffer(ctx->nvencoder, inSurf->input_surface);
+ if (nv_status != NV_ENC_SUCCESS) {
+ av_log(avctx, AV_LOG_FATAL, "Failed unlocking input buffer!\n");
+ return AVERROR_EXTERNAL;
+ }
+
+ for (i = 0; i < ctx->max_surface_count; ++i)
+ if (!ctx->output_surfaces[i].busy)
+ break;
+
+ if (i == ctx->max_surface_count) {
+ inSurf->lockCount = 0;
+ av_log(avctx, AV_LOG_FATAL, "No free output surface found!\n");
+ return AVERROR_EXTERNAL;
+ }
+
+ ctx->output_surfaces[i].input_surface = inSurf;
+
+ pic_params.inputBuffer = inSurf->input_surface;
+ pic_params.bufferFmt = inSurf->format;
+ pic_params.inputWidth = avctx->width;
+ pic_params.inputHeight = avctx->height;
+ pic_params.outputBitstream = ctx->output_surfaces[i].output_surface;
+ pic_params.completionEvent = 0;
if (avctx->flags & AV_CODEC_FLAG_INTERLACED_DCT) {
- if (frame->top_field_first)
- params.pictureStruct = NV_ENC_PIC_STRUCT_FIELD_TOP_BOTTOM;
- else
- params.pictureStruct = NV_ENC_PIC_STRUCT_FIELD_BOTTOM_TOP;
+ if (frame->top_field_first) {
+ pic_params.pictureStruct = NV_ENC_PIC_STRUCT_FIELD_TOP_BOTTOM;
+ } else {
+ pic_params.pictureStruct = NV_ENC_PIC_STRUCT_FIELD_BOTTOM_TOP;
+ }
} else {
- params.pictureStruct = NV_ENC_PIC_STRUCT_FRAME;
+ pic_params.pictureStruct = NV_ENC_PIC_STRUCT_FRAME;
}
- nvenc_codec_specific_pic_params(avctx, ¶ms);
+ pic_params.encodePicFlags = 0;
+ pic_params.inputTimeStamp = frame->pts;
+ pic_params.inputDuration = 0;
+ switch (avctx->codec->id) {
+ case AV_CODEC_ID_H264:
+ pic_params.codecPicParams.h264PicParams.sliceMode = ctx->encode_config.encodeCodecConfig.h264Config.sliceMode;
+ pic_params.codecPicParams.h264PicParams.sliceModeData = ctx->encode_config.encodeCodecConfig.h264Config.sliceModeData;
+ break;
+ case AV_CODEC_ID_H265:
+ pic_params.codecPicParams.hevcPicParams.sliceMode = ctx->encode_config.encodeCodecConfig.hevcConfig.sliceMode;
+ pic_params.codecPicParams.hevcPicParams.sliceModeData = ctx->encode_config.encodeCodecConfig.hevcConfig.sliceModeData;
+ break;
+ default:
+ av_log(avctx, AV_LOG_ERROR, "nvenc: Unknown codec name\n");
+ return AVERROR(EINVAL);
+ }
+
+ res = timestamp_queue_enqueue(&ctx->timestamp_list, frame->pts);
- ret = nvenc_enqueue_timestamp(ctx->timestamps, frame->pts);
- if (ret < 0)
- return ret;
+ if (res)
+ return res;
} else {
- params.encodePicFlags = NV_ENC_PIC_FLAG_EOS;
+ pic_params.encodePicFlags = NV_ENC_PIC_FLAG_EOS;
}
- ret = nv->nvEncEncodePicture(ctx->nvenc_ctx, ¶ms);
+ nv_status = p_nvenc->nvEncEncodePicture(ctx->nvencoder, &pic_params);
+
+ if (frame && nv_status == NV_ENC_ERR_NEED_MORE_INPUT) {
+ res = out_surf_queue_enqueue(&ctx->output_surface_queue, &ctx->output_surfaces[i]);
- if (ret != NV_ENC_SUCCESS &&
- ret != NV_ENC_ERR_NEED_MORE_INPUT) {
+ if (res)
+ return res;
- return AVERROR_UNKNOWN;
+ ctx->output_surfaces[i].busy = 1;
}
- if (out) {
- ret = nvenc_enqueue_surface(ctx->pending, out);
- if (ret < 0)
- return ret;
+ if (nv_status != NV_ENC_SUCCESS && nv_status != NV_ENC_ERR_NEED_MORE_INPUT) {
+ av_log(avctx, AV_LOG_ERROR, "EncodePicture failed!\n");
+ return AVERROR_EXTERNAL;
+ }
+
+ if (nv_status != NV_ENC_ERR_NEED_MORE_INPUT) {
+ while (ctx->output_surface_queue.count) {
+ tmpoutsurf = out_surf_queue_dequeue(&ctx->output_surface_queue);
+ res = out_surf_queue_enqueue(&ctx->output_surface_ready_queue, tmpoutsurf);
+
+ if (res)
+ return res;
+ }
+
+ if (frame) {
+ res = out_surf_queue_enqueue(&ctx->output_surface_ready_queue, &ctx->output_surfaces[i]);
+
+ if (res)
+ return res;
+
+ ctx->output_surfaces[i].busy = 1;
+ }
}
- if (ret != NV_ENC_ERR_NEED_MORE_INPUT &&
- av_fifo_size(ctx->pending)) {
- ret = nvenc_get_frame(avctx, pkt);
- if (ret < 0)
- return ret;
+ if (ctx->output_surface_ready_queue.count && (!frame || ctx->output_surface_ready_queue.count + ctx->output_surface_queue.count >= ctx->buffer_delay)) {
+ tmpoutsurf = out_surf_queue_dequeue(&ctx->output_surface_ready_queue);
+
+ res = process_output_surface(avctx, pkt, tmpoutsurf);
+
+ if (res)
+ return res;
+
+ tmpoutsurf->busy = 0;
+ av_assert0(tmpoutsurf->input_surface->lockCount);
+ tmpoutsurf->input_surface->lockCount--;
+
*got_packet = 1;
} else {
*got_packet = 0;
return 0;
}
+
+static const enum AVPixelFormat pix_fmts_nvenc[] = {
+ AV_PIX_FMT_YUV420P,
+ AV_PIX_FMT_NV12,
+ AV_PIX_FMT_YUV444P,
+ AV_PIX_FMT_NONE
+};
+
+#define OFFSET(x) offsetof(NvencContext, x)
+#define VE AV_OPT_FLAG_VIDEO_PARAM | AV_OPT_FLAG_ENCODING_PARAM
+static const AVOption options[] = {
+ { "preset", "Set the encoding preset (one of hq, hp, bd, ll, llhq, llhp, default)", OFFSET(preset), AV_OPT_TYPE_STRING, { .str = "hq" }, 0, 0, VE },
+ { "profile", "Set the encoding profile (high, main or baseline)", OFFSET(profile), AV_OPT_TYPE_STRING, { 0 }, 0, 0, VE },
+ { "level", "Set the encoding level restriction (auto, 1.0, 1.0b, 1.1, 1.2, ..., 4.2, 5.0, 5.1)", OFFSET(level), AV_OPT_TYPE_STRING, { 0 }, 0, 0, VE },
+ { "tier", "Set the encoding tier (main or high)", OFFSET(tier), AV_OPT_TYPE_STRING, { 0 }, 0, 0, VE },
+ { "cbr", "Use cbr encoding mode", OFFSET(cbr), AV_OPT_TYPE_INT, { .i64 = 0 }, 0, 1, VE },
+ { "2pass", "Use 2pass cbr encoding mode", OFFSET(twopass), AV_OPT_TYPE_INT, { .i64 = -1 }, -1, 1, VE },
+ { "gpu", "Selects which NVENC capable GPU to use. First GPU is 0, second is 1, and so on.", OFFSET(gpu), AV_OPT_TYPE_INT, { .i64 = 0 }, 0, INT_MAX, VE },
+ { "delay", "Delays frame output by the given amount of frames.", OFFSET(buffer_delay), AV_OPT_TYPE_INT, { .i64 = INT_MAX }, 0, INT_MAX, VE },
+ { NULL }
+};
+
+static const AVCodecDefault nvenc_defaults[] = {
+ { "b", "0" },
+ { "qmin", "-1" },
+ { "qmax", "-1" },
+ { "qdiff", "-1" },
+ { "qblur", "-1" },
+ { "qcomp", "-1" },
+ { NULL },
+};
+
+#if CONFIG_NVENC_ENCODER
+static const AVClass nvenc_class = {
+ .class_name = "nvenc",
+ .item_name = av_default_item_name,
+ .option = options,
+ .version = LIBAVUTIL_VERSION_INT,
+};
+
+AVCodec ff_nvenc_encoder = {
+ .name = "nvenc",
+ .long_name = NULL_IF_CONFIG_SMALL("Nvidia NVENC h264 encoder"),
+ .type = AVMEDIA_TYPE_VIDEO,
+ .id = AV_CODEC_ID_H264,
+ .priv_data_size = sizeof(NvencContext),
+ .init = nvenc_encode_init,
+ .encode2 = nvenc_encode_frame,
+ .close = nvenc_encode_close,
+ .capabilities = CODEC_CAP_DELAY,
+ .priv_class = &nvenc_class,
+ .defaults = nvenc_defaults,
+ .pix_fmts = pix_fmts_nvenc,
+};
+#endif
+
+/* Add an alias for nvenc_h264 */
+#if CONFIG_NVENC_H264_ENCODER
+static const AVClass nvenc_h264_class = {
+ .class_name = "nvenc_h264",
+ .item_name = av_default_item_name,
+ .option = options,
+ .version = LIBAVUTIL_VERSION_INT,
+};
+
+AVCodec ff_nvenc_h264_encoder = {
+ .name = "nvenc_h264",
+ .long_name = NULL_IF_CONFIG_SMALL("Nvidia NVENC h264 encoder"),
+ .type = AVMEDIA_TYPE_VIDEO,
+ .id = AV_CODEC_ID_H264,
+ .priv_data_size = sizeof(NvencContext),
+ .init = nvenc_encode_init,
+ .encode2 = nvenc_encode_frame,
+ .close = nvenc_encode_close,
+ .capabilities = CODEC_CAP_DELAY,
+ .priv_class = &nvenc_h264_class,
+ .defaults = nvenc_defaults,
+ .pix_fmts = pix_fmts_nvenc,
+};
+#endif
+
+#if CONFIG_NVENC_HEVC_ENCODER
+static const AVClass nvenc_hevc_class = {
+ .class_name = "nvenc_hevc",
+ .item_name = av_default_item_name,
+ .option = options,
+ .version = LIBAVUTIL_VERSION_INT,
+};
+
+AVCodec ff_nvenc_hevc_encoder = {
+ .name = "nvenc_hevc",
+ .long_name = NULL_IF_CONFIG_SMALL("Nvidia NVENC hevc encoder"),
+ .type = AVMEDIA_TYPE_VIDEO,
+ .id = AV_CODEC_ID_H265,
+ .priv_data_size = sizeof(NvencContext),
+ .init = nvenc_encode_init,
+ .encode2 = nvenc_encode_frame,
+ .close = nvenc_encode_close,
+ .capabilities = CODEC_CAP_DELAY,
+ .priv_class = &nvenc_hevc_class,
+ .defaults = nvenc_defaults,
+ .pix_fmts = pix_fmts_nvenc,
+};
+#endif
projects / ffmpeg / blobdiff